Casio WK-3700 Service Manual page 21

12. LED check
1 Press "TEMPO " button.
2 LEDs illuminate in the following order.
MODULATION
FULL RANGE CHORD
FINGERED
CASIO CHORD
DATA ACCESS
DRAWBAR ORGAN
DSP
13. LCD check
1 Press "TEMPO " button.
2 Turn on all segments of the LCD.
3 Press "BANK" button.
4 The area 1 turns as check pattern.
5 Press "REGISTRATION 1" button.
6 The area 1 turns as check pattern.
7 Press "REGISTRATION 2" button.
8 Half of characters in area 1 to E turn on.
9 Press "REGISTRATION 3" button.
0 Rest of above characters turn on.
A Press "REGISTRATION 4" button.
B Each characters turn in order.
There no lack of dots and characters
14. Card check (If no smart media card, this check can be skipped)
1 Press "-" button.
"Err NO CARD" appears and an NG sound sounds when no card is inserted.
15. Bender check
1 Press "MODE" button.
2 Turn the "PITCH BEND WHEEL" to MAX.
3 Turn the "PITCH BEND WHEEL" to MIN.
16. TUNE check (If no TUNING METER, this check can be skipped)
1 Connect the TUNING METER to the phone jack.
2 Press "8" button.
3 The TUNING METER must indicate "C".
4 Disconnect the TUNING METER from the phone jack.
17. APO check
1 Press "EXIT" button.
* Go out from TEST mode (Power off).
* The LCD turns off.
DIAGNOSTIC PROGRAM IS FINISHED.
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Message on LCD
1 LED CHK
1 LED END
1 SMC CHK
1 CARD OK
1 BEND CHK
2 127
1 BEND CHK
2 000
1 BEND OK
1 Exiting