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Expression Pedal Assignment
Amp Channel Footswitch
From the factory, the Amp Channel Footswitch selects between the Channel 1 Amp, Channel 2 Amp, and
the Warped Amp state when the GNX4 is in Stompbox/Control mode. However, you can configure
the function of the Amp Channel Footswitch within a preset.
The procedure for assigning the function of the Amp Footswitch is as follows:
1. Press either EFFECT SELECT button until the Expression Assign row is selected.
2. Press the STATUS button until the display reads
3. Rotate Knob 1 to select the Amp Footswitch function. Your choices include:
- Switches between the Channel 1 (Green) and the Channel 2 (Red) Amp Channels.
- Switches between the Channel 1 (Green) and the Warped Amp (Yellow) Channels.
- Switches between the Channel 2 (Red) and the Warped Amp (Yellow) Channels.
- Switches between the Channel 1(Green), the Warped (Yellow) Channel, and the
Channel 2 (Red) Channels.
4. Store your Amp Footswitch assignment to your preset. See page 58 for more information on storing
presets.
Control Footswitches
When using the GNX4 in Stompbox/Control mode, FOOTSWITCHES 2, 3, and 4 become a
Control Footswitches. This provides even more real-time expressive control during performance when
used in conjunction with the Expression pedal. Up to three 3 parameters can be controlled between two
different values in each preset using the Control footswitches. The Control footswitches can function in
two different ways, as Toggle footswitches or as Momentary footswitches.
When using the Toggle function, a Control footswitch behaves like a normal footswitch in that it switches
to an ON state when pressed once and then an OFF state when pressed again. This type of function is
useful when you want to use it for turning effects like the Compressor or Whammy on and off. It can
also be used to toggle between two different parameter settings, for instance, a delay level of 10 or a
Delay level of 50.
When using the Momentary function, a Control footswitch turns an effect ON as long as it is being
pressed, and turns OFF once it is released. Experimenting with different parameters can produce some
very interesting results. For instance, you can assign Pitch Shift amount and have your guitar shift from a
fifth above when a Control footswitch is pressed and return to normal pitch when it is released.
Control A, B, and C Links
When the GNX4 is in Stompbox/Control mode, the five numbered footswitches have the following
default functions:
FS 1 – Amp Channel
FS 2 (CONTROL A) – Stompbox On/Off
FS 3 (CONTROL B) – Chorus/Mod On/Off
FS 4 (CONTROL C) – Delay On/Off
FS 5 – Tap Tempo
Footswitches 2, 3, and 4, which are also labeled as Control A,B, and C footswitches, are programmable
footswitches that can control of up to 3 parameters each per preset. These are displayed as
,
following assignment options:
1. Parameter Type (see attached parameter list)
2. Min Value
46
, and
in the Expression Assign menu. Each Control footswitch has the
(Amp Footswitch).
3. Max Value
4.Toggle or Momentary
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