Casio TE-7000S Service Manual page 53

[ 12 ] LCD backlight OFF test
[Function]
This test will check the LCD backlight.
The test ends by the judgment of the operator either by OK or NG only.
[Operation]
The test does not end unless inputting OK or NG key.
Operation : 1
OK : 1
NG : 9
[LCD]
BACK LIGHT 121
BACK LIGHT OK
END 121
[PRINT]
BACK LIGHT 121
BACK LIGHT OK
END 121
[ 13 ] REAR DISPLAY test
[Function]
This test will check the rear display.
The display is all lit. When the continuous check is selected, 7 segment and the transaction blinks.
The test ends by the judgment of the operator either by OK or NG only when the one time check is
selected.
[Operation]
The test does not end unless inputting OK or NG key when the one time check is selected.
Operation : n
n: 0 = One time check (can be omitted)
not 0 = Continuous check ( To stop the test, press "Esc" key )
* When the one time check is selected, the following keys can be used.
OK : 1 NG : 9
[LCD]
* When the one time check is selected
REAR DISP n122
REAR DISP OK
END n122
[REAR DISP display]
When the continuous check is selected, REAR DISP blinks. To clear the REAR DISP, press "Esc" key.
When the one time check is selected, REAR DISP remains.
Example
All lit (7 segment + transaction)
2 1 SUBTOTAL
When "OK" key is pressed. NG is displayed when "NG" key
is pressed.
When "OK" key is pressed. NG is printed when "NG" key
is pressed.
1 2 2 SUBTOTAL
When "OK" key is pressed. NG is displayed when "NG" key
is pressed.
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