Casio AP-80R Service Manual page 21

10. LCD check
1 Press "JAZZ" button.
* Turn on all segments.
2 Press "JAZZ" button.
* Turn off all segments.
3 Press "LATIN" button.
* Turn on all RHYTHM buttons.
4 Press "LATIN" button.
* Turn off all RHYTHM buttons.
* Turn on all TONE buttons.
5 Press "LATIN" button.
* Turn off all TONE buttons.
* Turn on all other LEDs (24 LEDs)
11. CARD check
1 Insert the SMART MEDIA CARD. (16MB)
2 Press "VARIOUS" button.
* All LEDs turn off.
* Takes about 3 sec.
* Sound C4, E4 and G4 polyphonic beep.
3 Remove the SMART MEDIA CARD.
12. PRODUCT NUMBER check
1 Press "FOR PIANO" button.
* Display shows model number.
2 Press "FOR PIANO" button.
* Display shows internal RON Version.
3 Press "FOR PIANO" button.
* Display shows external RON Version.
13. DIAGNOSTIC PROGRAM IS FINISHED
1 Press "EXECUTE" button.
* Exit to normal operation mode.
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Message on LCD
UOK
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