05: OD/Hi-Gain Wah
(Overdrive/Hi-Gain Wah)
54
a: Wah
a: Src
The Wah parameter switches the wah effect on/off. The wah center frequency
can be controlled by the modulation source specified in the Src parameter.
b: Wah Sweep Range
This parameter sets the sweep range of the wah center frequency. A negative
value will reverse the direction of sweep.