Roland V-Piano - Manual (Page 42)

42
Playing
If you lock the panel, all button operations of the V-Piano will be disabled.
For example, you can use this to keep the settings from being changed inadvertently while performing on stage.
The [VOLUME] Knob and [AMBIENCE] Knob are not locked even if the panel lock function is active.
1. Hold down the [FUNCTION] button and press one of the [TONE 1]–[TONE 4] buttons.
fig.Lock-1.eps
The panel will be locked, and the screen will show a message indicating this.
fig.Lock-2.eps
2. To unlock the panel, perform step 1 once again.
Disabling the buttons (Panel Lock)
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