Casio QT-6600 Service Manual page 63

[ 18 ] REAR DISPLAY Backlight Test
[Function]
Tests whether REAR DISPLAY backlight operates correctly.
In order to complete the test, the operator must determine Pass(OK)/fail(NG) of the result. (When
performing a single test)
The specified backlight turns on while performing the test and turns off when the test ends.
[Operation]
Operation : c
c: Specifying the backlight color
0 Batch test (batch-test the specified colors 1 through 4)
1 OFF (green OFF/white OFF)
2 White (green OFF/white ON)
3 Green (green ON/white OFF)
4 Emerald green (green ON/ white OFF)
n: Number of times
0 or no value
A value other than 0 (1 ~ 9) Tests repeat infinitely (press ESC to terminate)
[Batch Test]
Touching any part of the panel changes the color in the following sequence.
Back light OFF
[LCD]
REAR DISP
Please Hit Key
REAR BACK LIGHT
END
n 1 2 2 ST
To perform a single test
White
122
OK−>1 NG−>9
OK
122
— 60 —
Green
[PRINT]
REAR DISP
REAR BACK LIGHT
END
Emerald green
122
OK
122