Knee Lever - Yamaha Electone EL-900 Owner's Manual

3) Tremolo Control
Selection of Footswitch control over Tremolo. Pressing the Footswitch turns
the Tremolo effect on and off (Chorus), performing the same function as the
TREMOLO (FAST) button in the DISPLAY SELECT section.
If you want to use this function, the tremolo settings require to be set properly.
See page 56 for more information.
FOOT SWITCH-LEFT PageﾑTremolo

2 Knee Lever

The Knee Lever, located on the underside of the keyboard panel, can be
used to turn on and off the Sustain effect, Melody On Chord function,
Lead Slide effect and Solo Mode/Upper Mode.
1) Sustain
To select Knee Lever control over Sustain:
1
Make sure that the Upper and/or Lower Sustain effect panel controls
have been turned on; otherwise the Knee Lever will have no effect.
2
Fold the Knee Lever down.
3
Press the Knee Lever to the right with your knee when you want to
have sustain.
1 When the Knee Lever is folded up:
The sustain effect is applied constantly, as long as the front panel
sustain buttons are on.
2 When the Knee Lever is vertical:
The sustain effect is cancelled.
3 When the Knee Lever is continuously pressed to the right:
The sustain effect is on.
SUSTAIN
UPPER
(KNEE)
LOWER
PEDAL
(KNEE)
Folding down
1
ON
OFF
2
10
3
ON
153