Roland MP-500 用户手册

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页码 44
 
30
 
Convenient Functions
 
Disabling Buttons—Panel Lock
 
By using the Panel Lock function, you can disable the buttons 
with the exception of certain operations. This is a convenient 
way to prevent buttons from being pressed inadvertently, 
changing the settings.
When the panel is locked, the following operations can be 
performed.
- Play using the piano sound
 
1.
 
Before switching the power on, turn the 
volume all the way down.
 
fig.7-01
 
2.
 
Press the [Power] switch to turn off the 
power.
 
3.
 
While holding down the [Piano 1] button, 
press the [Power] switch to turn on the 
power. 
 
fig.7-02.e
 
4.
 
Adjust the volume.
 
Playing the keyboard now produces a Piano 1 sound.
It will not be possible to switch to another sound.
Switching the power off and back on again releases the 
panel lock and returns the MP-500 to its usual state.
 
You can set Panel Lock in Step 3 above by turning on the 
power while holding down any Tone button other than the 
[Piano 1] button. In that case, you can play using only the 
tone of the button that was pressed.
Volume
Max
Min
While holding down
Press the [Power] switch
Piano 1
Power
Panel Lock with the metronome enabled
If you turn on the power while holding down the 
Metronome [On/Off] button, it will also be possible to 
sound the metronome. You will also be able to adjust the 
metronome tempo, time, volume, and sound.
MP-500.e.book 30 ページ 2003年6月11日 水曜日 午前9時46分