Roland GP-100 Owner's Manual page 51

Section 3 Effect Guide
(Wah pedal)
When using an expression pedal as a wah pedal, make control
assign settings as follows. .
By setting an assignable control "Assign 1"—"Assign 8" to the
following settings, you can obtain a standard wah sound. For
details on control assign, refer to "Control Assign Settings" (p. 21).
Target WAH:Freq
Target Min 7
Target Max 56
Source
«When using EFFECT REMOTE/EXP PEDAL»
EXP PEDAL
«When using the expression pedal of the FC-200>
MIDI CTL# 7
(Source Mode Normal)
(Source Act.RangeLo 0)
(Source Act.Range Hi 127)
* If you wish to use the wah pedal with an algorithm setting of
"VINTAGE," set the "Target Min" and "Target Max" as follows.
Target Min: 17
Target Max: 70
Using the EFFECT REMOTE/EXP PEDAL Jack
Ifyou have connected an EV-5 expression pedal (optional: Roland)
to this jack, make the following settings. For details refer to
"EFFECT REMOTE / EXP PEDAL" (p. 28).
«UTILITY»
EFFECT/EXP PEDAL EXP PEDAL
Using the FC-200
When the FC-200 is in its initialized state, it can be used with the
above settings.
* if you have changed the controller number of the expression pedal, set
the control assign "Source" to match the number you set.
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