Topcon COMPUTERIZED TONOMETER Measurement Under Manual Mode Memo, Display of Measurement Values

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: Correct measurement

: Low in reliability

: Incorrect measurement

: Measurement value exceeding the measuring range

Display of Measurement Values

Measurement values are displayed on the monitor screen for up to three measure- ments. From the fourth measurement on, values of earlier measurements are deleted in order.

Figure only Figure in ( )

ERR

OVER

If the result is a figure in parentheses or ERR, do the measurement again, making sure the patient does not blink and eyelashes do not get in the outer alignment mark. If OVER is displayed, switch the measuring range to 0-60 and do the measurement again.

MEASUREMENT UNDER MANUAL MODE

MEMO

•

•

Adjust the height of the automatic instrument table so that correct measurement values can be obtained by allowing the patient to un- dergo measurements in a comfortable position.

Make the patient relaxed so as to secure correct measurement val- ues; make sure the patient does not hold his breath or remain tense.

Setting the Measurement Mode

The initial status of the measurement mode is AUTO, upon turning the power ON.

1	Return to the Measurement screen.
2	Press	on the control panel and change the measurement mode display to
	“MANU”.

Setting the Measuring Range

See page 33.

Alignment and Measurement

The alignment operation is controlled through the control lever.

For details about the adjustment of the machine body using the control lever, see “Memo” on page 34.

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BASIC OPERATIONS

Image 39

Contents CT-80 Introduction This instrument features the followingDisplay Meaning Display for Safe USEIcons Prevention item Safety CautionsIcon Prevention item Safety CautionsPurpose Usage and MaintenanceUser Maintenance Escape ClausePage Names of Components ContentMain Body Components ComponentsAuto/Manual switch Air check switchControl Panel Components Monitor Screen Components Measurement Screen Auto mode, alignmentMeasurement Screen Manual mode, alignment OK Menu Screen Contents of Printer Output Standard Accessories Preparations HOW to Install the InstrumentHOW to Connect External I/O Terminals HOW to Connect the Power CableDisplaying The Menu Screen Initial SettingsMemo PreparationsTime/Date Setting Setting The Power Save Time RS-232C INPUT/OUTPUT Settings OFF ↔ MODE1 ↔ MODE2 ↔ MODE3 ↔ MODE4 ↔ Setting The Average Value Mode Setting The Buzzer Message Input Back HOW to SET Printer PaperAuto Setting StepPreparations TF50KS-E2C Manual Setting Preparations HOW to Reset from Power Save Status Air Check Turn on the PowerBasic Operations Preparations Before MeasurementSetting the Patient Setting the Safety Stopper ∼10mm Auto Measurement Under Auto Mode MemoSetting the Measurement Mode Setting the Measuring RangeAlignment and Measurement Basic Operations Basic Operations Manual mode. Sometimes Auto mode is not available if Manu Measurement Under Manual Mode MemoDisplay of Measurement Values ERR OverBasic Operations Alignment is adjusted correctly. Sometimes the shape Deleting Measurement Values Individual Operations HOW to Print OUT Measurement ValuesHOW to Correct Measurement Values INPUT/OUTPUT VIA RS-232C Output via RS-232CInput via RS-232C Before Requesting Service Checking OperationsChecking Operations Automatic instrument table AIT-20 and Table Board Optional AccessoriesSpecifications & Performance ReferenceRS-232C Communication Specifications Connector TypesTerminal Pin Arrangement Transmission Formula Contents of Data TransmissionReference Work ID no Setting RS-232C Communication ConditionsFormat Maintenance and Checking Accuracy MaintenanceCleaning the Measuring Window Glass Cleaning the Window Glass inside the Nozzle Daily Maintenance Adjusting the Monitor ScreenOrdering Consumable Supplies Replacing the Fuse Paper Jam in PrinterCleaning the Outer Cover Special Notes on CleaningComputerized Tonometer CT-80 Topcon Omni SYSTEMS, INC Computerized Tonometer