Expression Pedal - Boss ME-20 Owner's Manual

9. / Buttons
Use these to adjust parameters in the various operating modes.
Manual mode: NS THRESHOLD
Memory mode: Bank (NS THRESHOLD when editing patches)
TUNER:
10. WAH Indicator
Shows whether the wah effect is on or off.
11. OD/DS SOLO Indicator
Shows whether the solo sound is on or off.
12. OD/DS SOLO Button
Press this to switch to a sound suited for solos.
Pressing this button automatically switches on overdrive/distortion.
13. MASTER LEVEL Knob
Adjusts the volume of the output.

14. Expression Pedal

Controls the volume level (volume pedal).
Firmly depressing the front end of the pedal switches WAH ON/OFF.
When the wah effect is on, the pedal functions as a wah pedal.
When WAH is on:
When WAH is off:
When operating the expression pedal, be careful not to get your fingers pinched
between the movable part and the panel. In places with small children, an adult
should provide supervision and guidance until the child is capable of following all
the rules essential for the safe operation of the unit.
15. Pedal Indicators
Show whether the corresponding effect is on or off.
In Memory mode, they indicate the current patch number.
16. Effect/Number Pedals
Switch the corresponding effects on and off.
When the ME-20 is in Memory mode, these switch correspondingly numbered
patches.
Holding down the OD/DS pedal for two seconds when in Manual mode switches
you to the OD/DS SOLO on/off function. Holding it down for two seconds a
second time returns you to the OD/DS on/off function.
Reference pitch
Functions as a wah pedal.
Functions as a volume pedal.
Names of Things and What They Do
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