Yamaha P-200 Owner's Manual page 42

USING THE PANEL SWITCH LOCK FUNCTION
From the Voice Play mode or the Performance Play mode, double-click the
desired [VOICE SELECT] button. (Refer to "About Panel Switch Lock" below
for details.)
The following screen appears when Panel Switch Lock is activated.
To cancel the lock function, double-click the same [VOICE SELECT] button (the
button whose LED is lit).
About Panel Switch Lock
The use of the Panel Switch Lock function differs depending on the mode (Single,
Dual, Split). The illustrations below clearly show how to lock and unlock the panel
controls in various situations.
The following key is used in the illustrations:
In the Single mode:
Normal
Voice A
operation
Double-clicking the same [VOICE SELECT] button (the button whose LED is lit)
alternately locks and unlocks the panel controls. Double-clicking a different
[VOICE SELECT] button when the panel is locked maintains the locked
condition while selecting a new voice.
PANEL LOCK
Piano 1
Voice/Performance name
Normal button press
"Double-click" button press
Locked condition
Unlocked condition
Voice A Voice A
Voice B
Voice A
Voice B
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