Yamaha Electone STAGEA ELB-01 Owner's Manual page 13

3
Set the MASTER VOLUME control.
The MASTER VOLUME control is an overall control that affects the volume of
the entire instrument.
Decreases the volume
4
Press the Expression pedal down with your foot.
Once you have set the MASTER VOLUME control to a suitable level, you can
use the Expression pedal to change the volume with your foot as you play.
Maximum volume
Increases the volume
Minimum volume
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