Compatible with Mustang™ III, Mustang™ IV and Mustang™ V Head.
The 4 button footswitch (Part#0080996000) has three modes that are identified by the three LEDs labeled MODE 1, MODE 2 and MODE 3. Thefootswitch also has a Tuner mode which is indicated when all of the mode LEDs are off. To switch between modes, press the MODE button. To activate Tuner mode, press and hold the MODE button.
Mode 1—In Mode 1 the footswitch is used to select one of three Quick Access presets, using the buttons labeled: QA1 /QA2 / QA3 (in line with the MODE 1 LED). When you select a Quick Access preset, the number of the preset will appear in the display of the footswitch. You can any assign any preset to be a Quick Access preset in the Utility menus. (see Utility Menus, page 6 Fender® Mustang™ Advanced Maunal http://www.fender.com/support/articles/fender-mustang-amplifier-owners-manuals).
Mode 2—In Mode 2 the footswitch is used to select presets down/up, or in banks of 10, using the buttons labeled: DOWN/ UP / BANK (in line with the MODE 2 LED). When you select a preset, the number of the preset will appear in the display of the footswitch.
Mode 3—In Mode 3 the footswitch is used to bypass the Stompbox, Modulation or Delay effects, using the buttons labeled: STOMP / MOD / DELAY (in line with the MODE 3 LED). The footswitch button LEDs indicate the effects that are active, just like the buttons on the amplifier.