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A unit of vacuum. Electrically activated scissors. A difference in height between the cassette and the patient eye level. A unit of pressure. Vit Vitrectomy. Extraction of the vitreous from the vitreous cavity. Its capabilities include driving a variety of probes and handpieces which provide the ability to cut vitreous and tissues, emulsify the lens, illuminate the posterior segment of the eye, and apply diathermy to stop bleeding.

Vacuum is used to remove ocular matter from the eye, and is provided by connecting tubing from the handpiece to a port on the fluidics cassette. Infusion or irrigation capability is provided to replace fluid in the eye, and enters the eye either directly via an infusion cannula or flows through a handpiece. The operator controls console functions using the graphical user interface screen, front panel keys, wireless remote, and footswitch.

Figure The controlling software and firmware reside inside the console, and overall system coordination and hazard mitigation is centralized to the console. The PS model is identical except the illuminator drawer is removed. The descriptions of the front panel components are coded to match the illustration in Figure , which is a helpful reference while learning the system's functions.

Global Functions The global functions area of the system is located at the top-left portion of the front panel. Global functions can be used any time and in any mode. Its three major components are described below.

These buttons can be pressed quickly to change values one digit at a time, or pressed and held to rapidly change the values. Global Function LED Displays The five LED displays, located to the left of the adjustment buttons, display current global function settings when a global function is on, or while a setting is being adjusted.

The Diathermy global function is always enabled for footswitch activation, and its LED readout is always lit; its icon key illuminates bright blue when activated. This graphic user interface displays icons, keys, and readouts appropriate to the mode of operation and system status. The operator presses the icons and keys on the screen to interact with the system. The collection chamber is continuously drained into a sealed drain bag, hanging from the front of the cassette.

The cassette's design allows it to be removed from the console without spilling the collected fluids. Global Functions 1A. Cassette Port LED's 2 7.

Illuminator Drawer! Standby Switch! Speaker 6. During surgery, and while priming, the LEDs illuminate to indicate which cassette port is active. Eject Button Pressing the Eject button, located to the left of the cassette, releases the latch that secures the cassette within its receptacle, allowing removal of the cassette.

This button is active when the system is supplied with air pressure, but is invalid when vacuum is activated or system power is turned OFF. The cassette will not load or unload if MPC scissors are activated. The left column is for pneumatic probes, and the right column is for electrical handpieces. Figure identifies each connector. Do not connect consumables to patient intravenous connections. Illuminator Drawer The illuminator drawer contains bulbs, mirrors, and lenses to direct high intensity light to fiber optic illumination probes.

Pushing the illuminator release button on the rear panel ejects the drawer from its slot see Figure When the illuminator drawer is ejected, both illuminators turn off, allowing the user to replace burnt bulbs.

The bulbs only illuminate when the drawer is fully inserted into its slot. Speaker Voice confirmations and tones are emitted from the speaker, hidden behind the front panel grill, to audibly alert operator to system operating status see Table Diathermy Continuous tone when Diathermy voltage is ON.

Fault, Error, Advisory Single tone when system fault, error, or advisory is first displayed. Invalid key Single tone for an invalid touchscreen key or membrane button press, including attempts to go beyond parameter limits.

Valid key Single tone for a valid touchscreen key or membrane button press. Vacuum Continuous tone when Vacuum is ON. Timer expire Single tone when count down timer has expired. Treadle Up Single tone when treadle returns to position 0. Table The Fault, Error, Diathermy, and Invalid Key tones can not be lowered below a minimum value; all other adjustable tones can be turned completely off. The descriptions of the rear panel components are coded to match the illustration in Figure , which is a helpful reference while learning the system's functions.

The memory cards used for these functions are inserted into the slot and pushed in until it is firmly in place and the eject button is pushed out.

Pushing the eject button will eject the card out of the slot. An internal fan draws air past the illuminator components, keeping them cool for longer life. For proper cooling at least two feet of clearance must be provided at the rear of the unit to ensure unrestricted air flow. Manual Cassette Ejector 6. Auto Ranging Power Supply 9. Included are a PC slot, air input and exhaust grates, an illuminator ejector button CS, DS, VS, VS only , a cassette ejector, a compressed air connector, a footswitch connector, and a power supply.

Illuminator Ejector Button not included with PS system Pressing this button ejects the Illuminator drawer from the front of the console, allowing the user to change burnt illuminator bulbs.

Two bulbs are provided, allowing a backup source should a bulb burn out during surgery. Upon completion of surgery, the burnt bulb should be replaced. See section fifteen of this manual for instructions to replace bulbs. The Power Input Connector accepts main power input from external electrical power source. The Fuse Module contains the fuse drawer and fuses, as well as the voltage selector box.

See section fifteen of this manual for fuse replacement and voltage selection. The Equal Potentiality Lug is for Service personnel use, and also for equipotential equipment connection. Warm air is expelled from the Power Supply Exhaust Grate.

The power supply selects correct voltage automatically. The Fuse Holders contain two fuses. See section fifteen of this manual for fuse replacement. Warm air is expelled from the Power Supply Exhaust Vent. Manual Cassette Ejector Lifting this latch releases the fluid cassette when air pressure is not available or in the event of power outage. See sections five, nine, and thirteen of this manual for instructions to use this cassette ejector.

The main system cooling fan is located directly behind the input filter. Compressed Air Connector An air pressure hose from a pressure source is connected here via a Schraeder connector for input of compressed air or compressed nitrogen. Functions controlled by the footswitch are listed in tables located in sections three, seven, and eleven of this manual. Generally, the footpedal is used to provide control of a parameter, such as vacuum, with the footpedal's angle of depression proportional to the parameter output.

Right and left switches are used to enable and disable system functions. The switches are nudged sideways horizontal for some functions, and pressed down vertical for others.

A tension adjustment knob, located on the front of the footswitch, is used to regulate the pressure needed to depress the footpedal. Additionally, the footpedal must be pressed through detents to enter into new anterior and posterior mode positions.

The buttons on the remote control are arranged to approximate the respective controls on the console. All controls are backlit by heat actuation; i. The remote control is wireless and can be used in one of two ways: it can be held by hand, or it can be set in the sterile tray and operated through a Remote Control Aseptic Transfer Package, allowing the scrub nurse to use it in the sterile field. The circulating nurse could also operate the remote in a non-sterile manner.

The arrow buttons are used to adjust mode parameters, except for the Messages arrow buttons. The Messages arrow buttons are used to toggle between various user responses that appear in popup messages.

The round buttons in the middle of the remote control are used exclusively to access primary surgical functions.

This feature allows four remote controls to be used on four systems operating in the same area. To ensure proper remote control operation when two or more systems are used in the same area, set each to a separate channel. NOTES: In rooms with two or more remote controls, it may be necessary for identification to place labels on the remote controls and units to distinguish one from the other.

If battery voltage becomes too low for the remote to function properly, a pop up message will appear on the console display. In that case, replace with new batteries by following instructions in section fifteen of this manual.

In addition, pressing the Star button in the Surgery screen results in the confirmation popup being displayed. The Activate button has a raised area around it to make it stand out from the other buttons; this helps ensure that a selection is not accidentally pressed. The colors and their intensities are designed for easy viewing in both light and dark environments. Power Up Screen The power-up initialization cycle lasts approximately two minutes. After the first ten seconds of this cycle, the Power Up Screen is displayed while the system completes initialization and self-test diagnostics see Figure All operator inputs are locked out at this time.

During initialization the drain pump is rotated to its home position. Therefore, keep hands and fingers clear of cassette well during power-on initialization.

After initialization, do not manually turn hub roller. If a fault is detected during self-test diagnostics, a System Fault Screen is displayed and the system becomes non-operational see Figure When a new domain is entered, all settings are reset to their default values. No operator inputs are allowed at this time. Pressing the Anterior, Posterior, or Combined key on the touch screen quits this screen and brings up either the anterior, posterior, or combined Surgery Setup Screen.

Descriptions of the windows and their functions are written on the following pages. Memory Name 4. Doctor Name 3. Title 6. Miscellaneous Window 2. Global Functions Window 7.

Primary Functions Window 8. Popup Window 1. Modes Window Figure This screen is the operator's main tool to input system commands. Operator input is also received from the remote control and the footswitch. Modes Window This window displays touch keys and their corresponding icons. There are two kinds of keys displayed in this window: Setup Function keys and Mode keys, depending on whether the screen is displaying its Setup Screen or its Surgery Screen.

The Mode keys are animated when selected. Figures and show the two screens. This illustration shows posterior setup function selections; the anterior setup function selections are similar. The mode keys are animated when selected—in this case the system is set in Vit mode for use with proportional vacuum.

Global functions are available in all setup and surgery screens, regardless of system status or footpedal position see Figure When turned ON, some global functions can be affected from the footswitch. The Diathermy global function icon key is always enabled for footswitch activation, and its LED readout is always lit; its icon key illuminates bright blue when diathermy is activated. Global functions may be used in combination with other global functions.

Descriptions of the global functions are located in sections three, seven, and eleven of this manual. In this illustration illuminator 1 is turned on, indicated by the illuminated icon and bright blue base. Title This window displays the current setup, surgery modes, and submodes. Doctor Name This window is used to display the current selected doctor name. Memory Name This window is used to display the current selected memory name.

If the current settings have been modified from the saved settings, the name text will be colored blue. These three features are described below.

This timer has a blue background, and is activated manually to count either up from zero, or down from a pre-selected value see the Timer in the Options Functions on pages 2. Elevated Infusion Timer - This timer with the yellow background appears in place of the footswitch icon, and it automatically begins counting up from zero when posterior infusion pressure is greater than or equal to 51 mmHg.

It stops counting when pressure goes below 51 mmHg, then begins from zero again each time pressure is 51 mmHg or greater. Pressing the timer display when pressure is less than 51 mmHg removes it from the screen, but it reappears and begins counting from zero again when the pressure returns to 51 mmHg or greater.

For footpedal activation it progressively displays 1, 2, and 3 in its center to represent the amount of footpedal depression through its detents; when released it displays 0. When the left and right footswitches are pressed the icons at each side change color to indicate activation. A small letter A, B, C, or D at the bottom of the icon indicates which footswitch map is used. If the map has been modified from the default settings, the map letter will be followed by the prime symbol i.

Pressing the icon displays a window that shows the current footswitch mapping. Primary Display Window Figure Popup Window This window is used to indicate system errors, advisories, and other messages to the user. When a popup window appears, only the keys inside the popup window and the Global Function keys not related to the popup window are available.

For a list of system messages turn to section sixteen of this manual. The popup window disappears when the action is completed, or when the operator presses a popup key to acknowledge the message. A drop down menu is displayed when the Options key is pressed see Figure below.

Pressing any of the buttons in the drop-down menu displays its associated pop-up window or display screen. Descriptions of each drop-down menu selection begin on the next page. Options Key 1. Drop-Down Menu Figure Pressing one of the choices activates a screen or window for the choice selected.

Quick Save The Quick Save pop-up window allows the current mode settings or all mode settings to be saved into a doctor memory. For anterior or posterior domains, the pop-up window contains two drop downs for Dr. Name and Memory; for the combined domain the pop-up window includes Memory drop downs for anterior and posterior. Doctor and memory number to be written to are chosen on this window before saving.

The doctor name drop down in the Quick Save pop-up selects the doctor name the settings will be saved to. Pressing the Doctor Name displays a drop-down list of other current doctor names. Pressing the down arrow to the right of the setting displays a dropdown list of the five memory locations.

For the combined domain there are two memory location settings to select from, anterior memory or posterior memory. Pressing the Save Mode key saves the settings in the active screen to the selected doctor memory location.

Pressing Cancel returns to the previous screen without saving anything to memory. The doctor memory function allows a doctor's preferential surgical parameter values to be programmed, stored, and retrieved under a doctor name.

Storage is provided for up to 40 doctor names, each with five storage locations for Anterior parameters, five for Posterior parameters, and one for Common parameters. The parameters of the retrieved memory are displayed on the doctor memory screens. When a new doctor name is selected, memory location one is retrieved. The memory number or name is displayed in a different color when a value has been changed from what is stored in that memory.

The entry of the current PIN is required for a modification or removal operation. This only happens when changes are made to the memory screen. Settings for both domains can be viewed, and memories can be altered, but the mode from which doctor memory is entered is always the mode returned to when Exit is pressed. Pressing the Current key replaces all displayed values with the current system values.

Pressing the Save key in the Common tab saves the doctor common parameters the one per doctor memory set to the doctor identified in the "Save To" box. If this doctor memory is protected by a PIN, a popup appears and the PIN must be entered before the save operation is completed; otherwise, if the doctor memory is not protected by a PIN, a confirmation popup appears to confirm the save operation.

After answering, the system returns to the mode from which doctor memory was entered. Memory Domains Data Tabs Figure In this case the Greg West doctor memory is being set in the Anterior memory domain, under the Phaco data tab.

If the Save key is pressed now, the new data will replace the old Greg West data. If the Save To name or memory number is changed, the new data will be saved to the newly-selected location. For example, in Anterior, to see parameters corresponding to the Phaco function, the user simply presses the Phaco tab. The subsequent sections define the contents of each tab group. With five Anterior memory locations, there are five distinct sets of parameters per doctor.

Up and down arrows on the left and right of the value settings are used to set parameter values. Phaco Tab: 3D- This group contains two sub-groups.

The four probe type buttons are mutually exclusive, with only one being active at a time. Pressing a probe button causes it to become the active setting. When a probe is active, the values displayed below it are for that probe type only. Irrigation Tab: Phaco - This group contains values for Regular irrigation pressure and Alternate irrigation pressure. Irrigation Tab: Vit - This group contains values for Regular irrigation pressure and Alternate irrigation pressure.

Other Tab: Default Mode - This group contains a setting for the mode to jump to when this doctor memory location is selected. Pressing the down arrow to the right of the setting causes a drop-down list of applicable modes to be displayed.

Pressing a mode causes it to be selected, the drop-down list to disappear, and the selected mode to be displayed as the default mode. Other Tab: Vacuum Rise Time - The Vacuum Rise Time setting determines the length of time required for the vacuum to build from 0 to the current setting. For example: at mmHg, buttons in this group allow selection of one of the following vacuum rise time settings: Default ms , Fast 1.

The default setting is Normal. The Phaco setting provides longer footpedal travel in position 3, allowing greater proportional control of phaco power. Vit Tab Selecting the Vit tab presents four selectable probe types. Vit Tab: 3D - The 3D group contains two sub-groups.

The Treadle Start sub-group contains values for maximum Vacuum level and Cut Rate when the footpedal is completely released. The Treadle Full subgroup contains values for maximum Vacuum level and Cut Rate when the footpedal is completely depressed. Frag Tab: 3D- This group contains two subgroups. If a default mode is selected for memory 1 or its equivalent name , that mode will be entered when the doctor is selected.

Common Tab Set The Common tab set contains parameters that are one per doctor; there is one distinct set of parameters per doctor. Sound Tab - Allows adjustments to be made to various tone and voice volumes. For all other parameters, voice volume is controlled by the Voice volume setting while tone volumes are set individually by each associated setting.

Most volume levels may be set to one of twenty levels. Adjustments can be made to all values simultaneously by pressing the Master Override button. Pressing this button causes the master override function to become active, and all values may then be increased or decreased by pressing its volume arrow keys.

This tab allows the operator to custom program the footswitch functions to conform to his own preferences. Factory default settings are listed in tables in sections seven, eleven, and fifteen of this manual. Each map name corresponds to a different footswitch setup. In maps A and C, five of the switches have preset functions, while the function of the left heel switch is programmable and can be selected from a drop-down list. In map B, four of the switch functions have preset functions, while the two heel switch functions are programmable.

In map D, five of the switches have preset functions, while the right vertical switch is programmable. Pressing the down arrow to the right of the map name presents a drop-down list with map names A, B, C, and D. Selecting one of the map names causes it to be displayed, and its corresponding functions to be displayed on the footswitch map.

Footswitch Tab: Domain - Here the operator can select either the anterior or posterior domain's footswitch settings. Selecting one of the domains allows selection of the programmable functions functions nominally assigned to the heel switches for that domain.

The six switches are displayed with the same functions as in the previous screen. Pressing the down arrow to the right of one of the function names presents a drop-down list of the six functions.

Selecting a new function for that switch swaps it with the switch that previously had that function. Pressing the Swap button deactivates the swap function.

Program Functions - Programmable switches can be programmed with the following functions by pressing its drop down menu and selecting the function: Next Mode, Previous Mode - Enters the next or previous mode in a circular manner. If a mode is disabled, the functional mode following that will be entered. In the Combined domain, it circulates among the modes belonging to the current "subdomain. Next Memory, Previous Memory - Retrieves the next or previous memory in a circular manner. Only memories that have changed or have descriptive names will be retrieved.

After selecting a name, the scrollable list disappears and the name is displayed on the selected memory button. If is selected, the Keyboard appears, allowing the user to create his own descriptive memory name. Labels Tab: Posterior Labels - The Posterior Labels group is the same as the Anterior Labels group with the exception that it contains memory names for the five posterior memory locations.

Pressing the down arrow to the right of a button presents a dropdown list of applicable submodes to be displayed, allowing the user to select a default submode. Submodes Tab: Posterior - The Posterior Submodes group is the same as the Anterior Submodes group with the exception that it contains default submodes for the five posterior functional modes. When a functional mode is entered for the first time, the selected submode will be the one entered.

Thereafter, when a functional mode is entered, the most recent submode will be entered. The choices are Preset and Recall.

If Recall is selected, the alternate pressure is set to the new value. If Preset is selected, the alternate pressure is set to the value stored in doctor memory. Other Tab: Heelswitch Activation - Provides the user with the option of selecting singleclick or double-click activation of all heelswitch functions.

Single-click is the default setting. Other Tab: Vit Cut-off Vacuum - Allows the user to enable or disable the cut-off max vacuum parameter. When enabled, an additional parameter adjustment is visible on the surgery screen that allows for a max vacuum setting when the cutter is turned off. The memory card is inserted into the PC Card slot located on the rear panel see Figure Names Tab: List of Names - This group contains a scrollable list of all the current doctors in the system.

If the Add button is pressed, the display line at the top of the keyboard window will be blank. To add a character, press the applicable key. Capital letters may be entered by first pressing the Lock key or Shift key single capital letter. Pressing the Save button saves the inputted doctor name to memory. Pressing the Cancel button results in no changes to memory. The PIN popup window functions are described on the next page.

To input a number press the applicable keys, then press the Enter button to save the PIN to memory. Pressing the Modify button presents the PIN window. Pressing the Delete button presents the PIN window.

Doctors may be selected by pressing on the name on the list. If a selected doctor is already saved to the system memory, a dialog box will appear that asks whether or not the doctor should be overwritten with the doctor contained on the memory card. The system will not allow a doctor in the system memory to be overwritten by the same doctor on the memory card if it has a different PIN.

Within the selection box, the system also indicates the number of available memory slots on the system. Import Tab: Import Button - Pressing the Import button imports the selected doctors from the memory card to the system memory.

If a selected doctor is already saved to the memory card, a dialog box will appear asking whether or not the doctor should be overwritten with the doctor contained in the system memory. Doctor's with the same names but different PIN's will be overwritten. The Write Protection tab on the memory card must be in the unlocked position in order for the system to save to it.

Export Tab: Selection - Pressing the All button selects all names on the list while pressing the None button deselects all names. Within the selection box, the system also indicates the number of available memory slots on the memory card. Export Tab: Export Button - Pressing the Export button exports the selected doctors from the system memory to the memory card. Erase Tab: Erase from Card - This group displays a scrollable list of all doctors contained in the system memory that may be erased from the memory card.

Erase Tab: Erase Button - Pressing the Erase button erases the selected doctors from the memory card. Erase Tab: Selection - Pressing the All button selects all names on the list while pressing the None button deselects all names. The settings take effect after pressing the Done key.

Pressing the Done button results in the Sound Volumes pop-up window being removed and the previous screen being displayed, with any volume adjustments being in effect. When activated, the timer display appears in the upper-right corner of the surgery and surgery setup screens, next to the footswitch icon see Figure When the Timer key is pressed, a popup window appears for entering the timer value in hh:mm:ss format.

Pressing the Start key without entering a timer value removes the popup and the timer display begins counting up from zero. If the Start key is pressed after a value is entered, the popup disappears and the timer display begins counting down, emitting an audible beep when it reaches zero. The timer popup is removed when the Cancel key is pressed. The timer value is cleared when the Clear key is pressed. If a new timer is started when another one is counting, the new timer value replaces the existing one.

The timer is stopped and removed from the screen when the Timer Display is pressed. Pressing the Reset button resets the currently displayed values. Pressing the Done button removes the Metrics pop-up window and returns to the previous screen. Vit time and its average cuts per minute. Only one can be active at a time, so selecting a probe causes it to become the active setting. Pressing the Done button removes the Vitrectomy Probes pop-up window, returning the system to the previous screen with any probe selection modifications taking effect.

Pressing the Cancel button removes the pop-up window and returns the system to the previous screen with no modifications. Its functionality is the same as the Test key in the surgical setup screens. These parameters are applicable to the entire system, independent of which doctor or doctor memory is currently selected. The Remote Channel group is used to set the remote control channel.

Pressing A, B, C, or D causes it to become the active setting, and its background color changes to blue. See Section Fifteen of this manual for instructions to set the remote control selector to match the selection made here. The Startup Domain group allows the user to select the system's default domain upon system startup: Anterior, Posterior, Combined, or Select.

The Source Pressure group contains a setting for the type of air pressure plugged into the rear panel: Standard, Reduced, or Select. Pressing a button causes it to become the active setting. See Section One of this manual for an explanation of source air pressure. The Language group contains languages the user can load into the system.

The selections offered are populated based on the resource file loaded into the system, and therefore any subset of the number of available languages may be displayed at any time. Pressing anywhere on the touch screen, pressing a remote control button, or activating the footswitch causes to system to re-display the screen. Each status condition is described on the display screen, and a dedicated color is assigned to each. Error, Advisory, and System Information conditions are displayed in popup windows.

Faults System faults are the most severe system status conditions. Each fault is assigned a priority; i. NOTE: For troubleshooting purposes, record all information displayed on the fault screen before recycling power.

For a listing of fault conditions, see the Troubleshooting section of this manual. To help troubleshooting, record information displayed on the fault screen before recycling power.

The popup remains on the screen until the operator presses OK to acknowledge the condition, or until the condition no longer exists. When a popup window is active, only the popup window keys, the illuminator global function keys, and the cassette Eject button are available. Global functions and mode functions related to the Error are put in a safe state; keys and icons are faded to indicate unavailability.

If the Error does not affect the current active functions, they will remain active. Affected system functions remain unavailable until the popup message is resolved.

Functions related to the Advisory are not available. The popup is removed when the condition is corrected or when the user presses OK. System Information messages usually confirm a critical operator request or provide system status.

The popup window is removed when the requested action is completed, or when the operator presses a touch key to acknowledge the message. Popup windows can appear over these screens to advise the user of certain conditions. See Figure for an example of a popup window.

When a probe or handpiece is selected, an LED illuminates next to its associated front panel connector. Selecting a probe or handpiece with a common connector deselects the other. If more than one probe or handpiece was tested, priority is given to Vit mode.

Making one selection automatically deselects any other selection. Only the last-selected accessory or handpiece LED illuminates. Only the popup window keys Stop and Skip , global function Illuminator keys, and diathermy are operable while the Test function is active. The surgery screen is entered automatically upon a successful prime, test, and tune sequence. If the Stop key is pressed during priming, the test function is aborted. An invalid error tone sounds when pressing the Test key with no probe or handpiece selected.

When Clean is pressed, a popup window indicates cleaning is in progress. Only the Stop key in the popup window, and global function Illuminator keys, are operable while the clean function is active. Pressing the Stop key during cleaning aborts the function.

Clean If fluid is not fully transferred to the drain bag, press the Clean key a second time. There will always be some residual fluid left in the cassette due to surface tension.

Surgery Settings 3. In this posterior domain there are two data tabs available on the screen: the Type tab and the Infusion tab. The Irrigation tab is not available and is grayed-out. Pressing the Exit key closes this screen and returns to the Vitreoretinal Surgery Setup screen. In this domain, only the Posterior Infusion group is available. Pressing the Cancel key exits the Infusion Settings screen and returns to the previous screen without any modifications taking effect.

Pressing the Apply key accepts the settings, exits the Infusion Settings screen, and returns to the previous screen. When VGFI is selected, infusion pressure is provided by applying air pressure into the fluid bottle.

Note: Fluid bottle should be positioned at patient eye level. When Gravity infusion is selected, infusion pressure is dependent on the fluid bottle height, set manually by the operator.

The nominal and alternate pressures are toggled by pressing the footswitch's right vertical switch. Selecting Yes or No determines whether alternate pressure will be available with the footswitch. There are five global functions which, generally, can be selected, adjusted, and displayed at any time. When a global function is selected its color icon and LED readout illuminate brightly.

An exception is diathermy. Its LED readout is always lit, and its color icon illuminates brightly when activated with the footswitch. If the function is OFF, the LED readout becomes dimly lit while making adjustments, then becomes blank after a few seconds except for diathermy as mentioned above.

Selection of infusion type is made in the Infusion Settings screen see Figures and The Power Pole selection uses gravity to pressurize fluid when the bottle is hanging from the optional power IV pole. The power IV pole automatically raises or lowers to the correct height, and the LED pressure readout blinks as the pole is moving. The air is supplied through tubing to the eye from a front panel pneumatic connector.

Diathermy output is available at all times, controlled by the footswitch, and is based on the percent of maximum voltage output. When the Diathermy icon is pressed a popup window is displayed to remind the operator to use the footswitch to control this function.

This popup window can be removed by pressing the screen's Continue key or activating the diathermy function. The diathermy function can be activated in all modes by pressing the footswitch's left vertical switch. In Frag, VFC, and Scissors modes the footpedal must be released before you can activate diathermy; in Extrude mode the footpedal is inconsequential. Fiber optic light pipes can be plugged into the receptacles.

The user should then remove and plug the light pipe into the other illuminator receptacle, press OK, and proceed. Illum2 3. Two illuminator sources should always be available. See Care and Maintenance, Section Fifteen of this manual, for instructions to replace bulb.

The active mode and submode keys are highlighted, and their names are displayed in the Title Window. To enter a surgery mode, press its associated icon key on the touch screen. The previous surgery mode or submode is deactivated when a new mode or submode is selected, and front panel LED's illuminate to indicate which connectors are active. To enter a surgery submode, press the key above its associated mode key. Pressing a mode key successively causes the system to cycle through the available submodes.

NOTE: The footpedal must be released, and none of the footswitches depressed, to enter or change a surgery mode. When a surgery mode is first entered after power up, the system enters its factory default settings, or if a doctor memory has been selected, the doctor's programmed values are used. If the defaults are then adjusted, re-entry to that mode will display the new values.

Turning system power OFF resets all values back to the factory default settings, as does exiting the posterior domain. Functions controlled by the footswitch are listed in Tables , , , and Each mode has submodes, as shown in this table, with the default submode shown in bold type. Diathermy Cut Disable Programmable Alt.

Diathermy Multi-Cut Programmable Alt. Table 3. Diathermy Reflux Programmable Alt. Diathermy Reflux Programmable Inf. If the switch is held down for 1 second, pressure changes to Normal Pressure preset value if currently above the preset value; otherwise, pressure remains at the current setting. If the switch is held down for 1 second, pressure changes to Alternate Pressure preset value if currently below the preset value; otherwise, pressure remains at current the setting.

Three submodes are available, each with its own default cut rate and vacuum level. Values are adjusted using touch arrow keys, even when the footpedal is depressed. When a function is disabled, its setting turns from blue to gray. Cutting and vacuum cannot both be disabled at the same time one must always be enabled. Visible only when option is enabled.

This screen is similar for the other vitrectomy probes using proportional vacuum or momentary cut. As the footpedal is depressed the vacuum increases, with the actual vacuum displayed in the Actual Value box and its linear equivalent reflected in the bar. The amount of vacuum delivered to the probe is regulated by the amount of footpedal depression up to the max limit. The Actual Value is a progression bar for display only, and can not be modified by the user.

Probe cutting at a preset rate begins when the footpedal is pressed. A cut-off max vacuum adjustment is provided for each Vit probe when the Vit Cut-off Setpoint is enabled see Figure The Cut-off Setpoint display is gray to indicate that it is not the value currently in force, however the setting can still be adjusted. When cutting is disabled: The Cut-off Setpoint display background is blue and the displayed value is used as the maximum when applying vacuum.

The Vacuum Max Limit display is gray to indicate that it is not the value currently in force, however the setting can still be adjusted. If this option is disabled, the Cut-off Setpoint parameter is not displayed. Moment The Vitrectomy Momentary Cut submode has the same characteristics as the Prop Vac submode, except that the cutter is activated when the applicable footpedal switch is momentarily activated the default activation switch is the right horizontal switch.

The display contains adjustable values for vacuum level at footpedal start, vacuum level at full depression; and cut rate at footpedal start, cut rate at full depression. A unique feature of this mode is that 1 vacuum can be set to start at 0 and rise to its maximum setting at full footpedal depression, while the cutting rate can be set to start at its maximum setting and decrease as the footpedal is depressed or any combination thereof and that 2 to ensure that not too much flow is generated when the footpedal is first depressed, the vacuum level is ramped up from 0 to the set starting level during the first part of the pedal travel.

The footpedal controls both proportional vacuum and proportional cut rate. Treadle Start and Full Treadle settings for vacuum and cut rate are fully adjustable to start high and finish low, or to start low and finish high according to preference. Values are adjustable using touch arrow keys, regardless of footpedal position.

Micro reflux is available via the footswitch. Linear - Depressing the footpedal in Linear Fragmentation submode increases vacuum up to its maximum limit, which is reached at half of full footpedal depression.

Depressing the footpedal provides vacuum proportional to pedal position, up to the maximum limit. To ensure that not too much flow is generated when the footpedal is first depressed, the vacuum level is ramped up from zero to the set starting level during the first part of the pedal travel.

The pneumatically powered scissors uses a microscissors screwed onto the Alcon IOS handpiece, which is connected via tubing to a front panel pneumatic port. The electrically powered MPC scissors handpiece plugs into a front panel electrical connector. Prop - The Proportional submode see Figure provides proportional control of the opening and closing of the scissor blades, dependent upon the amount of footpedal depression. The amount of scissors closure is indicated in the Pressure window.

When the footpedal is fully depressed, the Max Limit is reached, and scissors should be fully closed. The Start Pressure or Close Pressure keys must be pressed to activate pressure through the tubing to the handpiece. If one pressure is adjusted to equal the other, the pressures will automatically be adjusted so the closed pressure is greater than the open pressure.

Pressing the Default key sets the pressures back to the factory defaults. Single cuts are possible by adjusting the cut rate to a low Max Limit and momentarily pressing the footpedal. When vacuum is activated the scissors can be momentarily activated at the preset value when the right horizontal switch is pressed, and vacuum is controlled proportional to the amount of footpedal depression up to its Max Limit.

When the Cut Rate key is activated, proportional scissors are controlled with the footpedal. When the Vacuum key is activated, aspiration is controlled with the footpedal, and momentary cutting is enabled by pressing the right horizontal switch. This screen shows the start and close pressures for scissors activation; pressing the arrow keys adjusts the pressures. Three submode vacuum levels are available: Low, Medium, and High; with Medium as the default setting. Extrude Depressing the footpedal activates vacuum proportional to pedal position.

The preset maximum vacuum level, adjustable using the arrow keys, is reached at full treadle depression, and pressing the heel switch activates pulsed reflux. The preset maximum vacuum level can be adjusted with the footpedal in any position. NOTE: Whenever a vacuum surge is detected, or the cassette is being drained, or the system runs a VAC check, the operator must remove his foot from the footswitch treadle for vacuum to be re-activated. Full depression of the footpedal is required to reach the preset maximum vacuum.

Using vacuum the VFC mode also provides a means of extruding fluid through an extrusion handpiece in Dual submode injection and extrusion are done simultaneously. Pressure and vacuum levels are adjustable via the arrow keys next to the Max Limit display boxes. Do not aspirate fluids directly into the console; this will cause damage to the console, increase risk of electrical shock, and void all warranties. Inject - In this submode injection pressure to the syringe is provided proportional to the footpedal position up to the Max Limit setting.

It must not be allowed to come loose. Excessively high settings may endanger the patient. Pressing sideways on the footswitch's left and right horizontal switches, or pressing the Max Limit keys, turns the two individual functions on and off. In this submode, with both functions enabled, injection pressure to the syringe in detent 1, then vacuum to the extrusion handpiece in detent 2 with sustained pressure to the syringe is provided proportional to the footpedal position see Figure Extract - Vacuum for fluid extraction is provided to the syringe proportional to footpedal depression.

Max Limit vacuum is reached at full depression. Following is a representative selection of probes and handpieces with a general description of each. See the Accessories and Parts section of this manual, or consult your Alcon representative, for a complete selection of all probes, handpieces, and handpiece tips available. Both probes are are designed for a single use and must be properly disposed of when the surgery is completed. The handpiece has a stainless steel shell for improved reliability and durability.

Other than attaching and removing the needle and aspiration line, no assembly or disassembly is required. Pneumatic power to drive the scissors is provided through tubing which is attached to the barbed shaft.

Scissors tips come in single use and reusable configurations, and are screwed into the IOS handpiece. The scissors adjustment is used to increase or decrease the opening of the scissors blades. The scissors tip is built into the MPC handpiece, and is not removable.

A small port is provided to flush the shaft when cleaning the MPC scissors handpiece. All single use bipolar accessories are available with and without cables. Also available are reusable and single-use bipolar cables. Bipolar Coagulation Forceps are lightweight and ergonomically designed to reduce hand fatigue, as well as to provide precise control and safety. They are available in high-conductive non-stick alloy, titanium, or single-use configurations.

They are also available with a wide variety of tip styles. The instuctions are divided into two columns. In the left column a directive is given, and in the right column a team member is identified to perform the task. These procedures assume that a sterile drape is not being utilized; if it is applied to the front of the console, the roles of the Circulating Nurse and the Scrub Nurse change. If you have problems with the system when performing the setup instructions, you should first refer to the Troubleshooting section of this manual.

If questions still exist, contact the Alcon Technical Services Department or your local Alcon representative. Plug the power cord into its power source. While completing diagnostics, confirm that the five Global Function LED displays on the front panel flash before the system enters either the Procedure Selection screen or a Surgery Setup screen.

At this point you must select the posterior domain of operation on the touch screen, then a variety of operating selections are available to you. Navigating through domains and their modes of operation is flexible, controlled by system software, and is generally structured as diagrammed in Figure For systems that offer it, the operator can return to the Procedure Selection screen by pressing the Exit key.

A brief outline of screens and their functions is presented below. All operator input is blocked out during this procedure use rear panel Power switch to power down during initialization. After successfully completing self-test diagnostics the system enters either the Procedure Selection screen or the Vitreoretinal Surgery Setup screen.

The system automatically advances to the appropriate surgery mode after testing is done. One accessory can be selected at a time by pressing the desired item from the Accessories choices. The associated front panel connectors illuminate to help you plug the accessory into the correct connectors.

Continued on page 4. Pressing the Apply key returns you to the setup screen. The Clean key is pressed to drain fluid from the cassette chamber into the drain bag. During normal operation this function is performed automatically, but prior to removing the cassette you may want to drain the remainder of fluid from the chamber into the drain bag. Depending on the last handpiece tuned, pressing the Surgery key opens the associated surgery screen for that mode of operation.

Surgery Screens - Entering a surgery screen gives the doctor a variety of operating parameters and adjustments unique to that mode of operation.

Pressing a key at the bottom of the screen for another mode of operation automatically opens the surgery screen for that mode. If your system also contains anterior domain functions, you can enter that domain by pressing Exit until the Procedure Selection screen again appears.

If the settings are adjusted, re-entry to that mode will display the new values. Tables and show the factory default settings for each mode, and the adjustment ranges of each. The factory settings can be changed during surgery, but turning system power OFF resets all values back to the factory default settings. Figures in this table inside parenthesis are for reduced settings systems.

When selected, the global function key is highlighted, the corresponding global parameter value in the LED display is illuminated, and the console connector is illuminated to help connect the accessory. The corresponding rubber arrow buttons are used to adjust the global function parameter values, which change at a faster update rate when the key is held down. The preset parameter values are displayed on the LED displays. Five global functions, accessed by pressing their icon keys on the left side of the touch screen, are unique to the system's posterior domain.

Alternate infusion pressure, set and enabled in the Infusion Settings screen, is activated by pressing a switch on the footswitch. If Power Pole is the selected infusion method, this control is used to set the desired infusion pressure which automatically sets the power IV pole height.

Diathermy - The diathermy global selection is activated through the footswitch, and not through the global selection touch screen. Diathermy power is only provided to the handpiece when the switch is depressed, and turns OFF when released. These instructions are written to help you protect that environment. Follow local governing ordinances and recycling plans regarding disposal or recycling of device components and packaging.

Peel lid from pak and aseptically transfer inner pouch to Scrub Nurse. Accept inner pouch from Circulating Nurse. Tear open pouch and remove components. Turn system power ON, and if required after initial self tests are completed, select Posterior mode of operation.

Remove cassette with attached drain bag from pak. Unfold drain bag, allowing it to hang freely, and insert cassette into console cassette well see Figure Ensure that latch engages. Scrub Nurse 5. Pass Infusion spike to Circulating Nurse. Accept infusion spike from Scrub Nurse, spike infusion bottle, close the infusion line roller clamp green striped tubing , and hang bottle from IV pole.

Squeeze drip chamber until it is a little more than half full of fluid. Circulating Nurse 7. Press the Infusion tab and select options. Press Apply. Scrub Nurse 8. Connect the green male luer fitting to the stopcock see Figure Connect the infusion cannula to the stopcock. Safety performance should be verified by the user e.

Ground resistance must be under 0. To avoid unnecessary shipping, please contact your Alcon Technical Services Department prior to return of any system or accessories.

If return of the equipment is 1. Alcon Laboratories, Inc. This warranty applies to the original purchaser of the system, when said system is properly installed, maintained, and operated in accordance with published instructions.

The express warranty above is the sole warranty obligation of Alcon, and the remedy provided above is in lieu of any and all other remedies. There are no other agreements, guarantees, or warranties — oral or written, express or implied — including without limitation warranty of merchantability or fitness for a particular purpose.

Alcon shall have no liability whatsoever for any incidental or consequential damages arising out of any defect, improper use, or unauthorized service or repair. The disposables used in conjunction with Alcon instrument products constitute a complete surgical system. Use of disposables and handpieces other than those manufactured by Alcon may affect system performance and create potential hazards.

If it is determined that disposables or handpieces not manufactured by Alcon have contributed to the malfunction of the equipment during warranty period, service will be provided at prevailing hourly rates. Protection against electrical shock is Class I. Detent A discrete footpedal position at which more force is required to depress the footpedal to the next position. Diathermy The production of heat in body tissues by electric current for therapeutic purposes. Frag Fragmentation.

Global Function A function whose status and controls are independent of the current footpedal position and surgery mode. Highlighted To center attention by video reversing the function key and changing the key color from gray to blue. IV Intravenous. A unit of vacuum. Electrically activated scissors. A difference in height between the cassette and the patient eye level.

A unit of pressure. Vit Vitrectomy. Extraction of the vitreous from the vitreous cavity. Its capabilities include driving a variety of probes and handpieces which provide the ability to cut vitreous and tissues, emulsify the lens, illuminate the posterior segment of the eye, and apply diathermy to stop bleeding.

Vacuum is used to remove ocular matter from the eye, and is provided by connecting tubing from the handpiece to a port on the fluidics cassette. Infusion or irrigation capability is provided to replace fluid in the eye, and enters the eye either directly via an infusion cannula or flows through a handpiece. The operator controls console functions using the graphical user interface screen, front panel keys, wireless remote, and footswitch. Figure The controlling software and firmware reside inside the console, and overall system coordination and hazard mitigation is centralized to the console.

The PS model is identical except the illuminator drawer is removed. The descriptions of the front panel components are coded to match the illustration in Figure , which is a helpful reference while learning the system's functions. Global Functions The global functions area of the system is located at the top-left portion of the front panel. Global functions can be used any time and in any mode. Its three major components are described below. These buttons can be pressed quickly to change values one digit at a time, or pressed and held to rapidly change the values.

Global Function LED Displays The five LED displays, located to the left of the adjustment buttons, display current global function settings when a global function is on, or while a setting is being adjusted. The Diathermy global function is always enabled for footswitch activation, and its LED readout is always lit; its icon key illuminates bright blue when activated.

This graphic user interface displays icons, keys, and readouts appropriate to the mode of operation and system status. The operator presses the icons and keys on the screen to interact with the system. The collection chamber is continuously drained into a sealed drain bag, hanging from the front of the cassette. The cassette's design allows it to be removed from the console without spilling the collected fluids. Global Functions 1A. Cassette Port LED's 2 7. Illuminator Drawer!

Standby Switch! Speaker 6. During surgery, and while priming, the LEDs illuminate to indicate which cassette port is active. Eject Button Pressing the Eject button, located to the left of the cassette, releases the latch that secures the cassette within its receptacle, allowing removal of the cassette. This button is active when the system is supplied with air pressure, but is invalid when vacuum is activated or system power is turned OFF.

The cassette will not load or unload if MPC scissors are activated. The left column is for pneumatic probes, and the right column is for electrical handpieces. Figure identifies each connector. Do not connect consumables to patient intravenous connections. Illuminator Drawer The illuminator drawer contains bulbs, mirrors, and lenses to direct high intensity light to fiber optic illumination probes.

Pushing the illuminator release button on the rear panel ejects the drawer from its slot see Figure When the illuminator drawer is ejected, both illuminators turn off, allowing the user to replace burnt bulbs. The bulbs only illuminate when the drawer is fully inserted into its slot. Speaker Voice confirmations and tones are emitted from the speaker, hidden behind the front panel grill, to audibly alert operator to system operating status see Table Diathermy Continuous tone when Diathermy voltage is ON.

Fault, Error, Advisory Single tone when system fault, error, or advisory is first displayed. Invalid key Single tone for an invalid touchscreen key or membrane button press, including attempts to go beyond parameter limits. Valid key Single tone for a valid touchscreen key or membrane button press. Vacuum Continuous tone when Vacuum is ON. Timer expire Single tone when count down timer has expired. Treadle Up Single tone when treadle returns to position 0.

Table The Fault, Error, Diathermy, and Invalid Key tones can not be lowered below a minimum value; all other adjustable tones can be turned completely off. The descriptions of the rear panel components are coded to match the illustration in Figure , which is a helpful reference while learning the system's functions. The memory cards used for these functions are inserted into the slot and pushed in until it is firmly in place and the eject button is pushed out. Pushing the eject button will eject the card out of the slot.

An internal fan draws air past the illuminator components, keeping them cool for longer life. For proper cooling at least two feet of clearance must be provided at the rear of the unit to ensure unrestricted air flow.

Manual Cassette Ejector 6. Auto Ranging Power Supply 9. Included are a PC slot, air input and exhaust grates, an illuminator ejector button CS, DS, VS, VS only , a cassette ejector, a compressed air connector, a footswitch connector, and a power supply. Illuminator Ejector Button not included with PS system Pressing this button ejects the Illuminator drawer from the front of the console, allowing the user to change burnt illuminator bulbs.

Two bulbs are provided, allowing a backup source should a bulb burn out during surgery. Upon completion of surgery, the burnt bulb should be replaced. See section fifteen of this manual for instructions to replace bulbs. The Power Input Connector accepts main power input from external electrical power source. The Fuse Module contains the fuse drawer and fuses, as well as the voltage selector box. See section fifteen of this manual for fuse replacement and voltage selection.

The Equal Potentiality Lug is for Service personnel use, and also for equipotential equipment connection. Warm air is expelled from the Power Supply Exhaust Grate. The power supply selects correct voltage automatically. The Fuse Holders contain two fuses. See section fifteen of this manual for fuse replacement. Warm air is expelled from the Power Supply Exhaust Vent.

Manual Cassette Ejector Lifting this latch releases the fluid cassette when air pressure is not available or in the event of power outage. See sections five, nine, and thirteen of this manual for instructions to use this cassette ejector.

The main system cooling fan is located directly behind the input filter. Compressed Air Connector An air pressure hose from a pressure source is connected here via a Schraeder connector for input of compressed air or compressed nitrogen.

Functions controlled by the footswitch are listed in tables located in sections three, seven, and eleven of this manual. Generally, the footpedal is used to provide control of a parameter, such as vacuum, with the footpedal's angle of depression proportional to the parameter output. Right and left switches are used to enable and disable system functions.

The switches are nudged sideways horizontal for some functions, and pressed down vertical for others. A tension adjustment knob, located on the front of the footswitch, is used to regulate the pressure needed to depress the footpedal. Additionally, the footpedal must be pressed through detents to enter into new anterior and posterior mode positions.

The buttons on the remote control are arranged to approximate the respective controls on the console. All controls are backlit by heat actuation; i.

The remote control is wireless and can be used in one of two ways: it can be held by hand, or it can be set in the sterile tray and operated through a Remote Control Aseptic Transfer Package, allowing the scrub nurse to use it in the sterile field.

The circulating nurse could also operate the remote in a non-sterile manner. The arrow buttons are used to adjust mode parameters, except for the Messages arrow buttons. The Messages arrow buttons are used to toggle between various user responses that appear in popup messages.

The round buttons in the middle of the remote control are used exclusively to access primary surgical functions. This feature allows four remote controls to be used on four systems operating in the same area. To ensure proper remote control operation when two or more systems are used in the same area, set each to a separate channel. NOTES: In rooms with two or more remote controls, it may be necessary for identification to place labels on the remote controls and units to distinguish one from the other.

If battery voltage becomes too low for the remote to function properly, a pop up message will appear on the console display. In that case, replace with new batteries by following instructions in section fifteen of this manual.

In addition, pressing the Star button in the Surgery screen results in the confirmation popup being displayed. The Activate button has a raised area around it to make it stand out from the other buttons; this helps ensure that a selection is not accidentally pressed. The colors and their intensities are designed for easy viewing in both light and dark environments.

Power Up Screen The power-up initialization cycle lasts approximately two minutes. After the first ten seconds of this cycle, the Power Up Screen is displayed while the system completes initialization and self-test diagnostics see Figure All operator inputs are locked out at this time. During initialization the drain pump is rotated to its home position. Therefore, keep hands and fingers clear of cassette well during power-on initialization. After initialization, do not manually turn hub roller.

If a fault is detected during self-test diagnostics, a System Fault Screen is displayed and the system becomes non-operational see Figure When a new domain is entered, all settings are reset to their default values. No operator inputs are allowed at this time. Pressing the Anterior, Posterior, or Combined key on the touch screen quits this screen and brings up either the anterior, posterior, or combined Surgery Setup Screen. Descriptions of the windows and their functions are written on the following pages.

Memory Name 4. Doctor Name 3. Title 6. Miscellaneous Window 2. Global Functions Window 7. Primary Functions Window 8. Popup Window 1. Modes Window Figure This screen is the operator's main tool to input system commands. Operator input is also received from the remote control and the footswitch.

Modes Window This window displays touch keys and their corresponding icons. There are two kinds of keys displayed in this window: Setup Function keys and Mode keys, depending on whether the screen is displaying its Setup Screen or its Surgery Screen. The Mode keys are animated when selected.

Figures and show the two screens. This illustration shows posterior setup function selections; the anterior setup function selections are similar. The mode keys are animated when selected—in this case the system is set in Vit mode for use with proportional vacuum. Global functions are available in all setup and surgery screens, regardless of system status or footpedal position see Figure When turned ON, some global functions can be affected from the footswitch.

The Diathermy global function icon key is always enabled for footswitch activation, and its LED readout is always lit; its icon key illuminates bright blue when diathermy is activated. Global functions may be used in combination with other global functions.

Descriptions of the global functions are located in sections three, seven, and eleven of this manual. In this illustration illuminator 1 is turned on, indicated by the illuminated icon and bright blue base. Title This window displays the current setup, surgery modes, and submodes. Doctor Name This window is used to display the current selected doctor name.

Memory Name This window is used to display the current selected memory name. If the current settings have been modified from the saved settings, the name text will be colored blue. These three features are described below. This timer has a blue background, and is activated manually to count either up from zero, or down from a pre-selected value see the Timer in the Options Functions on pages 2.

Elevated Infusion Timer - This timer with the yellow background appears in place of the footswitch icon, and it automatically begins counting up from zero when posterior infusion pressure is greater than or equal to 51 mmHg. It stops counting when pressure goes below 51 mmHg, then begins from zero again each time pressure is 51 mmHg or greater.

Pressing the timer display when pressure is less than 51 mmHg removes it from the screen, but it reappears and begins counting from zero again when the pressure returns to 51 mmHg or greater.

For footpedal activation it progressively displays 1, 2, and 3 in its center to represent the amount of footpedal depression through its detents; when released it displays 0. When the left and right footswitches are pressed the icons at each side change color to indicate activation. A small letter A, B, C, or D at the bottom of the icon indicates which footswitch map is used. If the map has been modified from the default settings, the map letter will be followed by the prime symbol i.

Pressing the icon displays a window that shows the current footswitch mapping. Primary Display Window Figure Popup Window This window is used to indicate system errors, advisories, and other messages to the user. When a popup window appears, only the keys inside the popup window and the Global Function keys not related to the popup window are available.

For a list of system messages turn to section sixteen of this manual. The popup window disappears when the action is completed, or when the operator presses a popup key to acknowledge the message. A drop down menu is displayed when the Options key is pressed see Figure below. Pressing any of the buttons in the drop-down menu displays its associated pop-up window or display screen.

Descriptions of each drop-down menu selection begin on the next page. Options Key 1. Drop-Down Menu Figure Pressing one of the choices activates a screen or window for the choice selected. Quick Save The Quick Save pop-up window allows the current mode settings or all mode settings to be saved into a doctor memory. For anterior or posterior domains, the pop-up window contains two drop downs for Dr. Name and Memory; for the combined domain the pop-up window includes Memory drop downs for anterior and posterior.

Doctor and memory number to be written to are chosen on this window before saving. The doctor name drop down in the Quick Save pop-up selects the doctor name the settings will be saved to. Pressing the Doctor Name displays a drop-down list of other current doctor names. Pressing the down arrow to the right of the setting displays a dropdown list of the five memory locations.

For the combined domain there are two memory location settings to select from, anterior memory or posterior memory. Pressing the Save Mode key saves the settings in the active screen to the selected doctor memory location. Pressing Cancel returns to the previous screen without saving anything to memory. The doctor memory function allows a doctor's preferential surgical parameter values to be programmed, stored, and retrieved under a doctor name. Storage is provided for up to 40 doctor names, each with five storage locations for Anterior parameters, five for Posterior parameters, and one for Common parameters.

The parameters of the retrieved memory are displayed on the doctor memory screens. When a new doctor name is selected, memory location one is retrieved. The memory number or name is displayed in a different color when a value has been changed from what is stored in that memory. The entry of the current PIN is required for a modification or removal operation.

This only happens when changes are made to the memory screen. Settings for both domains can be viewed, and memories can be altered, but the mode from which doctor memory is entered is always the mode returned to when Exit is pressed.

Pressing the Current key replaces all displayed values with the current system values. Pressing the Save key in the Common tab saves the doctor common parameters the one per doctor memory set to the doctor identified in the "Save To" box. If this doctor memory is protected by a PIN, a popup appears and the PIN must be entered before the save operation is completed; otherwise, if the doctor memory is not protected by a PIN, a confirmation popup appears to confirm the save operation.

After answering, the system returns to the mode from which doctor memory was entered. Memory Domains Data Tabs Figure In this case the Greg West doctor memory is being set in the Anterior memory domain, under the Phaco data tab. If the Save key is pressed now, the new data will replace the old Greg West data. If the Save To name or memory number is changed, the new data will be saved to the newly-selected location. For example, in Anterior, to see parameters corresponding to the Phaco function, the user simply presses the Phaco tab.

The subsequent sections define the contents of each tab group. With five Anterior memory locations, there are five distinct sets of parameters per doctor. Up and down arrows on the left and right of the value settings are used to set parameter values.

Phaco Tab: 3D- This group contains two sub-groups. The four probe type buttons are mutually exclusive, with only one being active at a time. Pressing a probe button causes it to become the active setting.

When a probe is active, the values displayed below it are for that probe type only. Irrigation Tab: Phaco - This group contains values for Regular irrigation pressure and Alternate irrigation pressure. Irrigation Tab: Vit - This group contains values for Regular irrigation pressure and Alternate irrigation pressure. Other Tab: Default Mode - This group contains a setting for the mode to jump to when this doctor memory location is selected.

Pressing the down arrow to the right of the setting causes a drop-down list of applicable modes to be displayed. Pressing a mode causes it to be selected, the drop-down list to disappear, and the selected mode to be displayed as the default mode.

Other Tab: Vacuum Rise Time - The Vacuum Rise Time setting determines the length of time required for the vacuum to build from 0 to the current setting.

For example: at mmHg, buttons in this group allow selection of one of the following vacuum rise time settings: Default ms , Fast 1. The default setting is Normal. The Phaco setting provides longer footpedal travel in position 3, allowing greater proportional control of phaco power. Vit Tab Selecting the Vit tab presents four selectable probe types. Vit Tab: 3D - The 3D group contains two sub-groups. The Treadle Start sub-group contains values for maximum Vacuum level and Cut Rate when the footpedal is completely released.

The Treadle Full subgroup contains values for maximum Vacuum level and Cut Rate when the footpedal is completely depressed. Frag Tab: 3D- This group contains two subgroups. If a default mode is selected for memory 1 or its equivalent name , that mode will be entered when the doctor is selected. Common Tab Set The Common tab set contains parameters that are one per doctor; there is one distinct set of parameters per doctor.

Sound Tab - Allows adjustments to be made to various tone and voice volumes. For all other parameters, voice volume is controlled by the Voice volume setting while tone volumes are set individually by each associated setting. Most volume levels may be set to one of twenty levels. Adjustments can be made to all values simultaneously by pressing the Master Override button. Pressing this button causes the master override function to become active, and all values may then be increased or decreased by pressing its volume arrow keys.

This tab allows the operator to custom program the footswitch functions to conform to his own preferences. Factory default settings are listed in tables in sections seven, eleven, and fifteen of this manual. Each map name corresponds to a different footswitch setup.

In maps A and C, five of the switches have preset functions, while the function of the left heel switch is programmable and can be selected from a drop-down list. In map B, four of the switch functions have preset functions, while the two heel switch functions are programmable. In map D, five of the switches have preset functions, while the right vertical switch is programmable.

Pressing the down arrow to the right of the map name presents a drop-down list with map names A, B, C, and D. Selecting one of the map names causes it to be displayed, and its corresponding functions to be displayed on the footswitch map.

Footswitch Tab: Domain - Here the operator can select either the anterior or posterior domain's footswitch settings. Selecting one of the domains allows selection of the programmable functions functions nominally assigned to the heel switches for that domain. The six switches are displayed with the same functions as in the previous screen.

Pressing the down arrow to the right of one of the function names presents a drop-down list of the six functions. Selecting a new function for that switch swaps it with the switch that previously had that function. Pressing the Swap button deactivates the swap function. Program Functions - Programmable switches can be programmed with the following functions by pressing its drop down menu and selecting the function: Next Mode, Previous Mode - Enters the next or previous mode in a circular manner.

If a mode is disabled, the functional mode following that will be entered. In the Combined domain, it circulates among the modes belonging to the current "subdomain. Next Memory, Previous Memory - Retrieves the next or previous memory in a circular manner.

Only memories that have changed or have descriptive names will be retrieved. After selecting a name, the scrollable list disappears and the name is displayed on the selected memory button. If is selected, the Keyboard appears, allowing the user to create his own descriptive memory name. Labels Tab: Posterior Labels - The Posterior Labels group is the same as the Anterior Labels group with the exception that it contains memory names for the five posterior memory locations.

Pressing the down arrow to the right of a button presents a dropdown list of applicable submodes to be displayed, allowing the user to select a default submode.

Submodes Tab: Posterior - The Posterior Submodes group is the same as the Anterior Submodes group with the exception that it contains default submodes for the five posterior functional modes. When a functional mode is entered for the first time, the selected submode will be the one entered.

Thereafter, when a functional mode is entered, the most recent submode will be entered. The choices are Preset and Recall. If Recall is selected, the alternate pressure is set to the new value.

If Preset is selected, the alternate pressure is set to the value stored in doctor memory. Other Tab: Heelswitch Activation - Provides the user with the option of selecting singleclick or double-click activation of all heelswitch functions.

Single-click is the default setting. Other Tab: Vit Cut-off Vacuum - Allows the user to enable or disable the cut-off max vacuum parameter. When enabled, an additional parameter adjustment is visible on the surgery screen that allows for a max vacuum setting when the cutter is turned off. The memory card is inserted into the PC Card slot located on the rear panel see Figure Names Tab: List of Names - This group contains a scrollable list of all the current doctors in the system.

If the Add button is pressed, the display line at the top of the keyboard window will be blank. To add a character, press the applicable key. Capital letters may be entered by first pressing the Lock key or Shift key single capital letter. Pressing the Save button saves the inputted doctor name to memory.

Pressing the Cancel button results in no changes to memory. The PIN popup window functions are described on the next page. To input a number press the applicable keys, then press the Enter button to save the PIN to memory. Pressing the Modify button presents the PIN window. Pressing the Delete button presents the PIN window.

Doctors may be selected by pressing on the name on the list. If a selected doctor is already saved to the system memory, a dialog box will appear that asks whether or not the doctor should be overwritten with the doctor contained on the memory card.

The system will not allow a doctor in the system memory to be overwritten by the same doctor on the memory card if it has a different PIN. Within the selection box, the system also indicates the number of available memory slots on the system. Import Tab: Import Button - Pressing the Import button imports the selected doctors from the memory card to the system memory.

If a selected doctor is already saved to the memory card, a dialog box will appear asking whether or not the doctor should be overwritten with the doctor contained in the system memory. Doctor's with the same names but different PIN's will be overwritten. The Write Protection tab on the memory card must be in the unlocked position in order for the system to save to it.

Export Tab: Selection - Pressing the All button selects all names on the list while pressing the None button deselects all names. Within the selection box, the system also indicates the number of available memory slots on the memory card. Export Tab: Export Button - Pressing the Export button exports the selected doctors from the system memory to the memory card. Erase Tab: Erase from Card - This group displays a scrollable list of all doctors contained in the system memory that may be erased from the memory card.

Erase Tab: Erase Button - Pressing the Erase button erases the selected doctors from the memory card. Erase Tab: Selection - Pressing the All button selects all names on the list while pressing the None button deselects all names. The settings take effect after pressing the Done key. Pressing the Done button results in the Sound Volumes pop-up window being removed and the previous screen being displayed, with any volume adjustments being in effect.

When activated, the timer display appears in the upper-right corner of the surgery and surgery setup screens, next to the footswitch icon see Figure When the Timer key is pressed, a popup window appears for entering the timer value in hh:mm:ss format. Pressing the Start key without entering a timer value removes the popup and the timer display begins counting up from zero. If the Start key is pressed after a value is entered, the popup disappears and the timer display begins counting down, emitting an audible beep when it reaches zero.

The timer popup is removed when the Cancel key is pressed. The timer value is cleared when the Clear key is pressed. If a new timer is started when another one is counting, the new timer value replaces the existing one. The timer is stopped and removed from the screen when the Timer Display is pressed. Pressing the Reset button resets the currently displayed values. Pressing the Done button removes the Metrics pop-up window and returns to the previous screen.

Vit time and its average cuts per minute. Only one can be active at a time, so selecting a probe causes it to become the active setting. Pressing the Done button removes the Vitrectomy Probes pop-up window, returning the system to the previous screen with any probe selection modifications taking effect.

Pressing the Cancel button removes the pop-up window and returns the system to the previous screen with no modifications. Its functionality is the same as the Test key in the surgical setup screens. These parameters are applicable to the entire system, independent of which doctor or doctor memory is currently selected. The Remote Channel group is used to set the remote control channel. Pressing A, B, C, or D causes it to become the active setting, and its background color changes to blue.

See Section Fifteen of this manual for instructions to set the remote control selector to match the selection made here. The Startup Domain group allows the user to select the system's default domain upon system startup: Anterior, Posterior, Combined, or Select. The Source Pressure group contains a setting for the type of air pressure plugged into the rear panel: Standard, Reduced, or Select. Pressing a button causes it to become the active setting. See Section One of this manual for an explanation of source air pressure.

The Language group contains languages the user can load into the system. The selections offered are populated based on the resource file loaded into the system, and therefore any subset of the number of available languages may be displayed at any time. Pressing anywhere on the touch screen, pressing a remote control button, or activating the footswitch causes to system to re-display the screen. Each status condition is described on the display screen, and a dedicated color is assigned to each.

Error, Advisory, and System Information conditions are displayed in popup windows. Faults System faults are the most severe system status conditions. Each fault is assigned a priority; i. NOTE: For troubleshooting purposes, record all information displayed on the fault screen before recycling power.

For a listing of fault conditions, see the Troubleshooting section of this manual. To help troubleshooting, record information displayed on the fault screen before recycling power. The popup remains on the screen until the operator presses OK to acknowledge the condition, or until the condition no longer exists.

When a popup window is active, only the popup window keys, the illuminator global function keys, and the cassette Eject button are available. Global functions and mode functions related to the Error are put in a safe state; keys and icons are faded to indicate unavailability. If the Error does not affect the current active functions, they will remain active. Affected system functions remain unavailable until the popup message is resolved.

Functions related to the Advisory are not available. The popup is removed when the condition is corrected or when the user presses OK. System Information messages usually confirm a critical operator request or provide system status.

The popup window is removed when the requested action is completed, or when the operator presses a touch key to acknowledge the message. Popup windows can appear over these screens to advise the user of certain conditions.

See Figure for an example of a popup window. When a probe or handpiece is selected, an LED illuminates next to its associated front panel connector. Selecting a probe or handpiece with a common connector deselects the other. If more than one probe or handpiece was tested, priority is given to Vit mode.

Making one selection automatically deselects any other selection. Only the last-selected accessory or handpiece LED illuminates. Only the popup window keys Stop and Skip , global function Illuminator keys, and diathermy are operable while the Test function is active. The surgery screen is entered automatically upon a successful prime, test, and tune sequence. If the Stop key is pressed during priming, the test function is aborted.

An invalid error tone sounds when pressing the Test key with no probe or handpiece selected. When Clean is pressed, a popup window indicates cleaning is in progress. Only the Stop key in the popup window, and global function Illuminator keys, are operable while the clean function is active. Pressing the Stop key during cleaning aborts the function. Clean If fluid is not fully transferred to the drain bag, press the Clean key a second time.

There will always be some residual fluid left in the cassette due to surface tension. Surgery Settings 3. In this posterior domain there are two data tabs available on the screen: the Type tab and the Infusion tab. The Irrigation tab is not available and is grayed-out. Pressing the Exit key closes this screen and returns to the Vitreoretinal Surgery Setup screen.

In this domain, only the Posterior Infusion group is available. Pressing the Cancel key exits the Infusion Settings screen and returns to the previous screen without any modifications taking effect.

Pressing the Apply key accepts the settings, exits the Infusion Settings screen, and returns to the previous screen. When VGFI is selected, infusion pressure is provided by applying air pressure into the fluid bottle. Note: Fluid bottle should be positioned at patient eye level. When Gravity infusion is selected, infusion pressure is dependent on the fluid bottle height, set manually by the operator. The nominal and alternate pressures are toggled by pressing the footswitch's right vertical switch.

Selecting Yes or No determines whether alternate pressure will be available with the footswitch. There are five global functions which, generally, can be selected, adjusted, and displayed at any time. When a global function is selected its color icon and LED readout illuminate brightly. An exception is diathermy. Its LED readout is always lit, and its color icon illuminates brightly when activated with the footswitch. If the function is OFF, the LED readout becomes dimly lit while making adjustments, then becomes blank after a few seconds except for diathermy as mentioned above.

Selection of infusion type is made in the Infusion Settings screen see Figures and The Power Pole selection uses gravity to pressurize fluid when the bottle is hanging from the optional power IV pole. The power IV pole automatically raises or lowers to the correct height, and the LED pressure readout blinks as the pole is moving.

The air is supplied through tubing to the eye from a front panel pneumatic connector. Diathermy output is available at all times, controlled by the footswitch, and is based on the percent of maximum voltage output. When the Diathermy icon is pressed a popup window is displayed to remind the operator to use the footswitch to control this function. This popup window can be removed by pressing the screen's Continue key or activating the diathermy function.

The diathermy function can be activated in all modes by pressing the footswitch's left vertical switch. In Frag, VFC, and Scissors modes the footpedal must be released before you can activate diathermy; in Extrude mode the footpedal is inconsequential.

Fiber optic light pipes can be plugged into the receptacles. The user should then remove and plug the light pipe into the other illuminator receptacle, press OK, and proceed. Illum2 3. Two illuminator sources should always be available.

See Care and Maintenance, Section Fifteen of this manual, for instructions to replace bulb. The active mode and submode keys are highlighted, and their names are displayed in the Title Window. To enter a surgery mode, press its associated icon key on the touch screen. The previous surgery mode or submode is deactivated when a new mode or submode is selected, and front panel LED's illuminate to indicate which connectors are active.

To enter a surgery submode, press the key above its associated mode key. Pressing a mode key successively causes the system to cycle through the available submodes. NOTE: The footpedal must be released, and none of the footswitches depressed, to enter or change a surgery mode. When a surgery mode is first entered after power up, the system enters its factory default settings, or if a doctor memory has been selected, the doctor's programmed values are used.

If the defaults are then adjusted, re-entry to that mode will display the new values. Turning system power OFF resets all values back to the factory default settings, as does exiting the posterior domain. Functions controlled by the footswitch are listed in Tables , , , and Each mode has submodes, as shown in this table, with the default submode shown in bold type.

Diathermy Cut Disable Programmable Alt. Diathermy Multi-Cut Programmable Alt. Table 3. Diathermy Reflux Programmable Alt. Diathermy Reflux Programmable Inf. If the switch is held down for 1 second, pressure changes to Normal Pressure preset value if currently above the preset value; otherwise, pressure remains at the current setting.

If the switch is held down for 1 second, pressure changes to Alternate Pressure preset value if currently below the preset value; otherwise, pressure remains at current the setting. Three submodes are available, each with its own default cut rate and vacuum level.

Values are adjusted using touch arrow keys, even when the footpedal is depressed. When a function is disabled, its setting turns from blue to gray. Cutting and vacuum cannot both be disabled at the same time one must always be enabled. Visible only when option is enabled. This screen is similar for the other vitrectomy probes using proportional vacuum or momentary cut.

As the footpedal is depressed the vacuum increases, with the actual vacuum displayed in the Actual Value box and its linear equivalent reflected in the bar. The amount of vacuum delivered to the probe is regulated by the amount of footpedal depression up to the max limit. The Actual Value is a progression bar for display only, and can not be modified by the user.

Probe cutting at a preset rate begins when the footpedal is pressed. A cut-off max vacuum adjustment is provided for each Vit probe when the Vit Cut-off Setpoint is enabled see Figure The Cut-off Setpoint display is gray to indicate that it is not the value currently in force, however the setting can still be adjusted.

When cutting is disabled: The Cut-off Setpoint display background is blue and the displayed value is used as the maximum when applying vacuum.

The Vacuum Max Limit display is gray to indicate that it is not the value currently in force, however the setting can still be adjusted. If this option is disabled, the Cut-off Setpoint parameter is not displayed. Moment The Vitrectomy Momentary Cut submode has the same characteristics as the Prop Vac submode, except that the cutter is activated when the applicable footpedal switch is momentarily activated the default activation switch is the right horizontal switch.

The display contains adjustable values for vacuum level at footpedal start, vacuum level at full depression; and cut rate at footpedal start, cut rate at full depression. A unique feature of this mode is that 1 vacuum can be set to start at 0 and rise to its maximum setting at full footpedal depression, while the cutting rate can be set to start at its maximum setting and decrease as the footpedal is depressed or any combination thereof and that 2 to ensure that not too much flow is generated when the footpedal is first depressed, the vacuum level is ramped up from 0 to the set starting level during the first part of the pedal travel.

The footpedal controls both proportional vacuum and proportional cut rate. Treadle Start and Full Treadle settings for vacuum and cut rate are fully adjustable to start high and finish low, or to start low and finish high according to preference. Values are adjustable using touch arrow keys, regardless of footpedal position.

Micro reflux is available via the footswitch. Linear - Depressing the footpedal in Linear Fragmentation submode increases vacuum up to its maximum limit, which is reached at half of full footpedal depression. Depressing the footpedal provides vacuum proportional to pedal position, up to the maximum limit. To ensure that not too much flow is generated when the footpedal is first depressed, the vacuum level is ramped up from zero to the set starting level during the first part of the pedal travel.

The pneumatically powered scissors uses a microscissors screwed onto the Alcon IOS handpiece, which is connected via tubing to a front panel pneumatic port.

The electrically powered MPC scissors handpiece plugs into a front panel electrical connector. Prop - The Proportional submode see Figure provides proportional control of the opening and closing of the scissor blades, dependent upon the amount of footpedal depression.

The amount of scissors closure is indicated in the Pressure window. When the footpedal is fully depressed, the Max Limit is reached, and scissors should be fully closed. The Start Pressure or Close Pressure keys must be pressed to activate pressure through the tubing to the handpiece. If one pressure is adjusted to equal the other, the pressures will automatically be adjusted so the closed pressure is greater than the open pressure. Pressing the Default key sets the pressures back to the factory defaults.

Single cuts are possible by adjusting the cut rate to a low Max Limit and momentarily pressing the footpedal. When vacuum is activated the scissors can be momentarily activated at the preset value when the right horizontal switch is pressed, and vacuum is controlled proportional to the amount of footpedal depression up to its Max Limit.

When the Cut Rate key is activated, proportional scissors are controlled with the footpedal. When the Vacuum key is activated, aspiration is controlled with the footpedal, and momentary cutting is enabled by pressing the right horizontal switch. This screen shows the start and close pressures for scissors activation; pressing the arrow keys adjusts the pressures. Three submode vacuum levels are available: Low, Medium, and High; with Medium as the default setting.

Extrude Depressing the footpedal activates vacuum proportional to pedal position. The preset maximum vacuum level, adjustable using the arrow keys, is reached at full treadle depression, and pressing the heel switch activates pulsed reflux.

The preset maximum vacuum level can be adjusted with the footpedal in any position. NOTE: Whenever a vacuum surge is detected, or the cassette is being drained, or the system runs a VAC check, the operator must remove his foot from the footswitch treadle for vacuum to be re-activated. Full depression of the footpedal is required to reach the preset maximum vacuum. Using vacuum the VFC mode also provides a means of extruding fluid through an extrusion handpiece in Dual submode injection and extrusion are done simultaneously.

Pressure and vacuum levels are adjustable via the arrow keys next to the Max Limit display boxes. Do not aspirate fluids directly into the console; this will cause damage to the console, increase risk of electrical shock, and void all warranties. Inject - In this submode injection pressure to the syringe is provided proportional to the footpedal position up to the Max Limit setting. It must not be allowed to come loose. Excessively high settings may endanger the patient.

Pressing sideways on the footswitch's left and right horizontal switches, or pressing the Max Limit keys, turns the two individual functions on and off. In this submode, with both functions enabled, injection pressure to the syringe in detent 1, then vacuum to the extrusion handpiece in detent 2 with sustained pressure to the syringe is provided proportional to the footpedal position see Figure Extract - Vacuum for fluid extraction is provided to the syringe proportional to footpedal depression.

Max Limit vacuum is reached at full depression. Following is a representative selection of probes and handpieces with a general description of each. See the Accessories and Parts section of this manual, or consult your Alcon representative, for a complete selection of all probes, handpieces, and handpiece tips available.

Both probes are are designed for a single use and must be properly disposed of when the surgery is completed. The handpiece has a stainless steel shell for improved reliability and durability. Other than attaching and removing the needle and aspiration line, no assembly or disassembly is required. Pneumatic power to drive the scissors is provided through tubing which is attached to the barbed shaft.

Scissors tips come in single use and reusable configurations, and are screwed into the IOS handpiece. The scissors adjustment is used to increase or decrease the opening of the scissors blades. The scissors tip is built into the MPC handpiece, and is not removable.

A small port is provided to flush the shaft when cleaning the MPC scissors handpiece. All single use bipolar accessories are available with and without cables. Also available are reusable and single-use bipolar cables. Bipolar Coagulation Forceps are lightweight and ergonomically designed to reduce hand fatigue, as well as to provide precise control and safety. They are available in high-conductive non-stick alloy, titanium, or single-use configurations.

They are also available with a wide variety of tip styles. The instuctions are divided into two columns. In the left column a directive is given, and in the right column a team member is identified to perform the task. These procedures assume that a sterile drape is not being utilized; if it is applied to the front of the console, the roles of the Circulating Nurse and the Scrub Nurse change.

If you have problems with the system when performing the setup instructions, you should first refer to the Troubleshooting section of this manual. If questions still exist, contact the Alcon Technical Services Department or your local Alcon representative. Plug the power cord into its power source.

While completing diagnostics, confirm that the five Global Function LED displays on the front panel flash before the system enters either the Procedure Selection screen or a Surgery Setup screen. At this point you must select the posterior domain of operation on the touch screen, then a variety of operating selections are available to you.

Navigating through domains and their modes of operation is flexible, controlled by system software, and is generally structured as diagrammed in Figure For systems that offer it, the operator can return to the Procedure Selection screen by pressing the Exit key. A brief outline of screens and their functions is presented below. All operator input is blocked out during this procedure use rear panel Power switch to power down during initialization.

After successfully completing self-test diagnostics the system enters either the Procedure Selection screen or the Vitreoretinal Surgery Setup screen.

The system automatically advances to the appropriate surgery mode after testing is done. One accessory can be selected at a time by pressing the desired item from the Accessories choices.

The associated front panel connectors illuminate to help you plug the accessory into the correct connectors. Continued on page 4. Pressing the Apply key returns you to the setup screen. The Clean key is pressed to drain fluid from the cassette chamber into the drain bag.

During normal operation this function is performed automatically, but prior to removing the cassette you may want to drain the remainder of fluid from the chamber into the drain bag. Depending on the last handpiece tuned, pressing the Surgery key opens the associated surgery screen for that mode of operation. Surgery Screens - Entering a surgery screen gives the doctor a variety of operating parameters and adjustments unique to that mode of operation.

Pressing a key at the bottom of the screen for another mode of operation automatically opens the surgery screen for that mode. If your system also contains anterior domain functions, you can enter that domain by pressing Exit until the Procedure Selection screen again appears.

If the settings are adjusted, re-entry to that mode will display the new values. Tables and show the factory default settings for each mode, and the adjustment ranges of each. The factory settings can be changed during surgery, but turning system power OFF resets all values back to the factory default settings. Figures in this table inside parenthesis are for reduced settings systems.

When selected, the global function key is highlighted, the corresponding global parameter value in the LED display is illuminated, and the console connector is illuminated to help connect the accessory. The corresponding rubber arrow buttons are used to adjust the global function parameter values, which change at a faster update rate when the key is held down.

The preset parameter values are displayed on the LED displays. Five global functions, accessed by pressing their icon keys on the left side of the touch screen, are unique to the system's posterior domain. Alternate infusion pressure, set and enabled in the Infusion Settings screen, is activated by pressing a switch on the footswitch. If Power Pole is the selected infusion method, this control is used to set the desired infusion pressure which automatically sets the power IV pole height.

Diathermy - The diathermy global selection is activated through the footswitch, and not through the global selection touch screen. Diathermy power is only provided to the handpiece when the switch is depressed, and turns OFF when released.

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