Casio LK-100

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DIAGNOSTIC PROGRAM
■ Initial Setup
1. Connect an AC adaptor.
2. “MODE” switch: OFF
3. “VOLUME”: MAX.
■ How to start diagnostic program
1. Press and hold “0” and “START/STOP” buttons.
2. “POWER/MODE” switch “NORMAL”
3. The massage “662 TEST” is appears on LCD.
4. Release “0” and “START/STOP” buttons.
■ Diagnostic program
Message on LCD
1. MODE Switch check
1 Set to “CASIO CHORD” position. CASIO
2 Set to “FINGERED” position. FINGER
3 Set to “NORMAL” position. NORMAL
2. ROM check
1 Press “2” button. ROM TEST
* Confirmation sound sounds. 앗
ROM OK