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FOOTSWITCH USE
Three foot-control devices can be used with Mustang GTX amplifiers—the GTX-7 and MGT-4 footswitches
and the EXP-1 Expression Pedal.
The seven-button GTX-7 Footswitch comes with Mustang GTX100 and is optional for Mustang GTX50. It en-
ables convenient remote foot control of several functions, including the built-in tuner, amp preset selection,
effects bypass, 60-second looper and more. The EXP-1 Expression Pedal, optional for both Mustang GTX amps,
is a dual-mode digital pedal that controls Mustang GTX volume and amp/effect parameters.
The four-button MGT-4 Footswitch is optional for both Mustang GTX amp models. Note that instructions for
using the MGT-4 Footswitch can be found online in the
Mustang GT Guitar Amplifier Expanded Owner’s Manual
Rev. A
(PN 7712493000), and in the
Mustang GT Guitar Amplifier Addendum to Expanded Owner’s Manual Firm-
ware V2.0
(PN 7715279000).
Each pedal can be used individually by connecting to the “FOOTSWITCH” jack on the amp’s rear panel, or
both pedals can be used simultaneously by “chaining” them together.
The GTX-7 Footswitch has seven buttons—a BANK UP button at upper left, a MODE/TUNER button at upper
right, and five numbered FUNCTION buttons along the bottom. Three MODE LEDs are at upper right, and five
FUNCTION LEDs are arrayed with one above each FUNCTION button. The DISPLAY WINDOW is at top center.
A. BANK UP BUTTON: Used to move up and down through consecutive groups (“banks”) of five presets.
B. DISPLAY WINDOW: Displays footswitch function currently in use.
C. MODE LEDS: Color-coded LEDs indicate which of three modes is in use—PRESETS (red), EFFECTS (amber)
or LOOPER (green).
D. MODE/TUNER BUTTON: Used to select among PRESETS, EFFECTS and LOOPER modes; press and hold for
chromatic TUNER mode.
E. FUNCTION BUTTONS/LEDS: Five numbered buttons enable foot control of various Mustang GTX func-
tions, depending on footswitch mode in use. Red LEDs above each FUNCTION BUTTON indicate various
functions in use.
GTX-7 FOOTSWITCH FEATURES