Topcon COMPUTERIZED TONOMETER, CT-80 Transmission Formula, Contents of Data Transmission

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Transmission Formula

Mode 1, 2, 3

Synchronization	Non-synchronous
Communication speed	2400/9600 bps
Start bit	1 bit
Stop bit	2 bit
Data length	8 bit
Parity	None
Operating code	ASCI code
Mode 4, STD1 mode

Synchronization	Non-synchronous
Communication speed	2400/9600 bps
Start bit	1 bit
Stop bit	1 bit
Data length	8 bit
Parity	None
Operating code	ASCI code

Contents of Data Transmission

Communication format Mode 1, 3:

Model name, Type No.	10 byte
Time/Date	19 byte
R (right eye) average data	9 byte
L (left eye) average data	9 byte

∗When the content is data with parentheses only, the average value is sent; when it is OVER data only, OVER is sent; and when there is no data or ERRs only, a space is sent.

(Example)

48

REFERENCE

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Contents CT-80 Introduction This instrument features the followingDisplay Meaning Display for Safe USEIcons Prevention item Safety CautionsIcon Prevention item Safety CautionsUser Maintenance Usage and MaintenanceEscape Clause PurposePage Names of Components ContentMain Body Components ComponentsAir check switch Auto/Manual switchControl Panel Components Measurement Screen Auto mode, alignment Monitor Screen ComponentsMeasurement 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 CableMemo Initial SettingsPreparations Displaying The Menu ScreenTime/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 Auto Setting HOW to SET Printer PaperStep BackPreparations TF50KS-E2C Manual Setting Preparations HOW to Reset from Power Save Status Basic Operations Turn on the PowerPreparations Before Measurement Air CheckSetting the Patient Setting the Safety Stopper ∼10mm Setting the Measurement Mode Measurement Under Auto Mode MemoSetting the Measuring Range AutoAlignment and Measurement Basic Operations Basic Operations Manual mode. Sometimes Auto mode is not available if Display of Measurement Values Measurement Under Manual Mode MemoERR Over ManuBasic Operations Alignment is adjusted correctly. Sometimes the shape Deleting Measurement Values Individual Operations HOW to Print OUT Measurement ValuesHOW to Correct Measurement Values Output via RS-232C INPUT/OUTPUT VIA RS-232CInput via RS-232C Checking Operations Before Requesting ServiceChecking Operations Specifications & Performance Optional AccessoriesReference Automatic instrument table AIT-20 and Table BoardConnector Types RS-232C Communication SpecificationsTerminal Pin Arrangement Transmission Formula Contents of Data TransmissionReference Work ID no Setting RS-232C Communication ConditionsFormat Accuracy Maintenance Maintenance and CheckingCleaning the Measuring Window Glass Cleaning the Window Glass inside the Nozzle Adjusting the Monitor Screen Daily MaintenanceOrdering 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