Kawai Concert Performer CP136 Owner's Manual page 177

Mic Harmony and Effect
L 1
L 2
L 3
L 4
L 5
F 1 F 2 F 3 F 4 F 5
F1 Back to Mic Effect menu.
F2, F3 Selects Low Range.
F4, F5 Selects Mid Range.
F6, F7 Selects High Range
R 1
R 2
R 3
R 4
R 5
F 6 F 7
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