Topcon CT-80 User manual

INSTRUCTION MANUAL
COMPUTERIZED TONOMETER
CT-80
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WARNING INDICATIONS AND POSITIONS
To ensure the safe usage of this equipment, precaution indications are provided.
Abide by the following warning instructions. If any of the following labels are missing,
please contact us at the address printed on the back cover of this manual.
6
WARNING
• To avoid electrical shock, do not open
the instrument. Refer all servicing to
qualified personnel.
CAUTION
• To avoid potential injury, insure that
the safety stopper knob is engaged
prior to use.
CAUTION
• To avoid potential injury during op-
eration, do not touch the patient’s
eyes or nose with the instrument.
WARNING
• To avoid electrical shock, do not open
the instrument. Refer all servicing to
qualified personnel.
WARNING
• Electrical shock may cause burns or
possible fire. Turn the main power
OFF and UNPLUG the power cord
before replacing the fuses. Replace
only with fuses of the correct rating.
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COMPONENTS
MAIN BODY COMPONENTS
8
COMPONENTS
Measuring window cap
Measuring head
Clamping knob
Safety stopper knob
Control panel
External I/O terminal
TV Monitor
Measuring switch
Control lever
Power lamp
Fixing knob (used to
stop movements
during removal)
Power switch
Power cable
Adjusting knob
Forehead rest
Measuring window
Measuring nozzle
Height mark
Chinrest pad pin
Chinrest
Chinrest handle
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CONTROL PANEL COMPONENTS
Print switch ................... Prints out the screen readings. When there is no reading, holding
the switch down feeds the paper.
Range switch ................ Switches the range between 0-30 and 0-60.
Clear switch .................. Deletes all the measurement values from the screen.
Menu switch.................. Displays the Menu screen.
Auto/Manual switch...... Switches the mode between auto and manual. Also, when se-
lecting menu software, it moves the cursor right ( ).
Air check switch ........... Performs an air check. Also, when selecting menu software, it
moves the cursor left ( ).
Down switch ................. When selecting menu software, it moves the cursor down ( ).
Up switch....................... Range switch. When selecting menu software, it moves the
cursor up ( ).
9
COMPONENTS
Print switch Auto/Manual switch
Clear switch
Air check switch
Down switch Range switch
Menu switch Up switch
Select switch

MONITOR SCREEN COMPONENTS
Measurement Screen (Auto mode, alignment)
Measurement Screen (Manual mode, alignment OK)
Menu Screen
10
COMPONENTS
Inner alignment mark
Outer alignment mark
Alignment bar
Alignment dot
Measuring range
Measurement mode
Target eye
Inner alignment mark
(alignment OK)
Outer alignment mark
Cursor

CONTENTS OF PRINTER OUTPUT
11
COMPONENTS
Average eye pressure
values
Time/Date display
Work ID No.
Message column
Measured eye pressure
values
ID No.
Equipment No.
Bar code
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STANDARD ACCESSORIES
The following are the standard accessories. The figures in parentheses are the
quantities. Please check to see that all accessories are contained.
Power cable (1) Rail cover (2)
Printing paper (2) Chinrest pin (2)
Chinrest pad (1) Silicone cloth (1)
Fuse (2)
* Different by destinations
Dust cover (1)
Cleaning kit (1) Instruction Manual, Unpacking and Assembly
(1 each)
Window glass cleaning procedure (1)
12
COMPONENTS
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PREPARATIONS
HOW TO INSTALL THE INSTRUMENT
1Fasten the clamping knob.
2Hold the instrument body firmly at the specified positions and place it on the auto-
matic instrument table.
For the automatic instrument table, see “OPTIONAL ACCESSORIES” on page 46.
3After installing the instrument, loosen the fixing knob.
Now the body components can be moved.
4If the machine body is slightly off level, properly turn the adjusters at the four corners
for fine adjustment.
Do not unscrew the adjusters more than 1cm.
13
PREPARATIONS
Before carrying the instrument, be sure to affix it firmly by
turning the fixing screw at the base.
If the instrument is moved with the screw loosened, it may
result in damage to the instrument.
CAUTION
When moving the instrument, be sure to hold it at the bottom surface
with two people. Carrying by one person may cause back injury or
injury by falling parts. Also, holding areas other than the bottom sur-
face may cause pinching fingers between parts and injury by falling
parts as well as damage to the instrument.
CAUTION
To avoid potential injury, hold the instrument in the proper
position.
CAUTION
Holding the instrumentSpecified holding positions
Fixing knob

HOW TO CONNECT THE POWER CABLE
1Make sure the POWER SWITCH is OFF.
2Attach the power cable to the machine body.
3Plug the power cable into the 3-pin AC receptacle with grounding.
HOW TO CONNECT EXTERNAL I/O TERMINALS
RS-232C OUT
This machine can be connected to another device, including a personal computer via
the RS-232C OUT terminal.
1Connect the cable to the RS-232C OUT terminal of this machine.
2Connect the other cable end to another device.
RS-232C IN
This machine can be connected to another device, including a bar code reader via the
RS-232C IN terminal.
1Connect the cable to the RS-232C IN terminal of this machine.
2Connect the other cable end to the external device.
14
PREPARATIONS
To avoid electrical shock, do not handle the power plug
with wet fingers.
CAUTION
Input terminalOutput terminal

INITIAL SETTINGS
During the initial setting, date, time, operating time of the power save function, RS-
232C, mode of average value, buzzer and message can be set.
Preparations
1Make sure the power cable is connected.
For connection, see “HOW TO CONNECT THE POWER CABLE” on page 14.
2Check the no-patient condition of the instrument and turn the POWER SWITCH ON.
Displaying The Menu Screen
1Make sure that the Measurement screen is displayed.
2Press on the control panel.
The Menu screen is displayed.
Returning To The Measurement Screen
1Press , on the control panel, move the cursor to “EXIT” and press
MEASUREMENT SWITCH .
Or, press on the control panel. The Measurement screen returns.
15
PREPARATIONS
•When the machine is moved from a cold room to a warm room or
when the room temperature suddenly rises, it may cause dewing in-
side the machine and disable measurement. In this case, leave the
machine alone for about 30min until it reaches room temperature.
MEMO
Measurement switch
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Time/Date Setting
Example of operation: Illustrations show time setting.
1Press on the control panel to get the Menu screen.
2Press , on the control panel, move the cursor to “DATE/TIME SET” and
press MEASUREMENT SWITCH .
The Date/Time setting screen is displayed.
3Make sure that the display “BATTERY →O.K.” appears.
4Press ,on the control panel, move the cursor to “HOUR” and press
MEASUREMENT SWITCH .
16
PREPARATIONS
If the display is “BATTERY →N.G.”, the built-in clock battery is used up. Contact your
dealer. Additionally, when the battery becomes exhausted, time and date items are
not printed and “DATE” is displayed instead.

5Press ,of the control panel, renew figures and press MEASUREMENT SWITCH .
The renewed figures are inputted.
6Press ,of the control panel, move the cursor to “EXIT” and press
MEASUREMENT SWITCH .
Setting The Power Save Time
A time for the power save function to achvale can be selected from 10, 20, 30 or 60min.
For shipment, 10min. is set.
1Return to the Menu screen.
2Press ,on the control panel, move the cursor to “POWER SAVE TIME” and
press MEASUREMENT SWITCH . The Power Save Time Setting screen is displayed.
3Press ,on the control panel and change the power save time.
17
PREPARATIONS
Date and other items can also be renewed at the same time.
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4Press MEASUREMENT SWITCH . The Menu screen is displayed.
RS-232C INPUT/OUTPUT Settings
For shipment, settings are EQUIPMENT (Equipment No.) No.1, FORMAT (communi-
cation mode) OFF, and SPEED (communication speed) 2400
Example: Setting the equipment No.
1Return to the Menu screen.
2Press ,of the control panel, move the cursor to “RS-232C MODE” and press
MEASUREMENT SWITCH .
The RS-232C Mode is displayed.
18
PREPARATIONS
Each time ,is pressed, the display changes as follows:
5 ↔10 ↔20 ↔30 ↔60
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3Press ,on the control panel, move the cursor to “EQUIPMENT” and press
MEASUREMENT SWITCH .
4Press ,on the control panel, change the equipment No. and press
MEASUREMENT SWITCH .
5Press ,on the control panel, move the cursor to “EXIT” and press
MEASUREMENT SWITCH . The Menu screen returns.
19
PREPARATIONS
“EQUIPMENT” and “WORK ID NO.” can be reset by pressing .
The equipment No.(EQUIPMENT) can be selected from 0000 to 0099. Each time ,
is pressed, the display changes as follows:
When setting the speed, the display changes from 2400-9600 each time ,is
pressed.
OFF ↔MODE1 ↔MODE2 ↔MODE3 ↔MODE4 ↔
2400 ↔9600
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Setting The Average Value Mode
The average value display of the measurement values can be selected from integer and
decimal displays. For shipment, the integer display is set.
1Return to the Menu screen.
2Press ,on the control panel, move the cursor to “AVERAGE MODE” and
press MEASUREMENT SWITCH .
The Average Value Mode screen is displayed.
3Press ,on the control panel to change the mode.
20
PREPARATIONS
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4Press MEASUREMENT SWITCH . The Menu screen returns.
Setting The Buzzer
The buzzer can be turned ON/OFF by pressing the switches on the control panel.
1Return to the Menu screen.
2Press ,on the control panel, move the cursor to “BUZZER SET” and press
MEASUREMENT SWITCH .
The Buzzer Setting screen is displayed.
3Press ,on the control panel to select ON/OFF.
21
PREPARATIONS
15 : The average value is displayed as an integer (by rounding fractions to the
nearest whole number).
15.0 : The average value is displayed up to one decimal (by rounding fractions to the
nearest tenth).
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4Press MEASUREMENT SWITCH .
The Menu screen returns.
Message Input
You can add a brief message to the printout.
1Return to the Menu screen.
2Press ,on the control panel, move the cursor to “MESSAGE INPUT” and
press MEASUREMENT SWITCH .
The Message Input screen is displayed.
3Press ,, ,on the control panel to move the blinking icon to a character
in the selection column for input.
22
PREPARATIONS
Selection column
Input column
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4Press MEASUREMENT SWITCH .
The character selected by the blinking icon is inputted.
5Press ,, ,on the control panel, move the blinking icon in the selection
column to “EXIT” and press MEASUREMENT SWITCH .
The Menu screen is displayed.
HOW TO SET PRINTER PAPER
Auto Setting
1Press the printer cover with your thumb, slide it aside and remove.
23
PREPARATIONS
■: A space for 1 character (Use this to delete a character, too.)
STEP : The blinking icon of the input column moves right.
BACK : The blinking icon of the input column moves left.
When the right/left end is reached, the blinking icon goes down to the next line.
A message can contain up to 3 lines, 20 characters per line.
Printer cover
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2Slide the paper roll onto the paper shaft, paying attention to the direction of unwind-
ing, and pull out the top of the paper 7-8cm.
3Insert the paper straight into the printer
along the paper guide.
4When the top of the paper stops inside the printer, press to further insert the
paper into the printer.
Paper feeding starts when the top of the paper reaches a certain depth inside the
printer.
5When the top of the paper comes out 1cm or so from the outlet, release .
At this moment, hold the top of the paper firmly so that it is not rolled back.
6Turn the paper retainer lever to the illustrated position, and pull out the paper 2-3cm
so that it comes out straight from the outlet.
24
PREPARATIONS
Unwinding direction
Paper retainer lever

7Return the paper retainer lever back to its original position.
8Reset the printer cover, holding the top of the paper outside.
25
PREPARATIONS
The paper is not fed unless the paper retainer lever is lowered.
Use the following 58mm wide printer paper:
TF50KS-E2C
Using another paper may cause a printing noise or thin prints.
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