Casio CTK-650, Service Manual, Page: 9 / 22

— 7 —
BUTTON MATRIX
Nomenclature of Keys
F#3 G#3 A#3 C#4 D#4 F#4 G#4 A#4 C#5 D#5 F#5 G#5 A#5
F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6
D#3
C2 D2 E2 F2 G2 A2 B2 C3 D3
E3
B6 A6 G6 F6 E6 D6 C7
C#3 A#2 G#2 F#2 D#2 C#2 A#6 G#6 F#6 D#6
C#6
K I 1 K I 2 K I 3 K I 4 K I 5 K I 6 K I 7
K O 0 3 0 2 1 SONG NO.
K O 1 SPLIT DEMO LAYER
K O 2 + 9 TONE 7 8 RHYTHM
K O 3 VARIATION-A INTRO VARIATION-B
K O 4 6 – MIDI 5 4
K O 5 B CHORD D A C
ACCOMP
VOLUME
REGIST-
RATION
MEMORY
MAGICAL
PRESET
TEMPO
UP
MULTI
EFFECTOR
END/
SYNCHRO
TOUCHCOVE
ON/OFF
START/STOP
TEMPO
DOWN
TRANSPOSE
TUNE