 | Melody + Melody --- 4 row keys are all used for melody (sound single
note when press a key). |
 | Chord + Melody --- 1st row keys and 2nd row keys are used for chord. 3rd
row keys and 4th row keys are used for melody. |
 | Chord + Chord --- 4 row keys are all used for chord. |
 | Control + Melody --- 1st row keys used for selecting voice of Right
Keyboard, and 2nd row keys are used for selecting effect (of Right
Keyboard). 3rd row keys and 4th row keys are used for melody. |
 | Control + Chord --- 1st row keys used for selecting voice of Right
Keyboard, and 2nd row keys are used for selecting effect (of Right
Keyboard). 3rd row keys and 4th row keys are used for chord. |
 | Melody + AutoChord --- 1st row keys and 2nd row keys are used for
melody, 3rd row keys and 4th row keys are used for selecting root of
auto-chord while starting auto-accompaniment. |
 | Control + AutoChord --- 1st row keys used for selecting voice of Right
Keyboard, and 2nd row keys are used for selecting effect (of Right
Keyboard). 3rd row keys and 4th row keys are used for selecting root of
auto-chord while starting auto-accompaniment. |