Rom Version Check; Button Check; Internal Rom Led Sequence; External Rom Led Sequence - Casio AP-200 Service Manual & Parts List

4. ROM version check (Internal ROM, External ROM)
 Press "TONE/SETTING" button to perform the "ROM check (Internal ROM)."
The confirmation chords C4, E4, G4 sounds.
 Each time "SONG (/)" button is pressed, the different LEDs light.
Confirm with the lit LED.
 Press "TONE/SETTING" button to perform the "ROM check (External ROM)."
The confirmation chords C4, E4, G4 sounds.
 Each time "SONG (/)" button is pressed, the different LEDs light.
Confirm with the lit LED.
LED Status >
0 : "SONG (/)" LED
2 : "CLASSIC" LED
4 : "R" LED
6 : "L + MODERN" LED
8 : "L + RECORDER" LED
Internal ROM (0712110915):
External ROM (0712110915):

Internal ROM LED Sequence

1: (0) "SONG (/)" LED
2: (7) "L + CLASSIC" LED
3: (1) "MODERN" LED
4: (2) "CLASSIC" LED
5: (1) "MODERN" LED
6: (1) "MODERN" LED
7: (0) "SONG (/)" LED
8: (9) "L + R" LED
9: (1) "MODERN" LED
10: (5) "L" LED

5. BUTTON check

 Press "TONE/SETTING" button to perform the "BUTTON check."
The confirmation chords C4, E4, G4 sounds.
 Press the buttons in the order indicated in the illustration on the right.
A buzzer sounds if buttons are pressed in a wrong order.
This check cannot be aborted in mid-course.
1 : "MODERN" LED
3 : "RECORDER" LED
5 : "L" LED
7 : "L + CLASSIC" LED
9 : "L + R" LED
0→7→1→2→1→1→0→9→1→5
0→7→1→2→1→1→0→9→1→5

External ROM LED Sequence

1: (0) "SONG (/)" LED
2: (7) "L + CLASSIC" LED
3: (1) "MODERN" LED
4: (2) "CLASSIC" LED
5: (1) "MODERN" LED
6: (1) "MODERN" LED
7: (0) "SONG (/)" LED
8: (9) "L + R" LED
9: (1) "MODERN" LED
10: (5) "L" LED
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