You can use the [CTL1] pedal on the BOSS GT-1 to switch effects on and off.
GT-1 Quick Start chapter6 : Setting for CTL1 Pedal
Please follow the steps below:
- Press the [MEMORY EDIT] button.
The effect chain screen appears. - Use the [1] knob to select “CTL1”, and press the [ENTER] button.
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Use the [1] - [3] knobs to edit the value of the parameters shown in the screen.
Parameter Value Explanation FUNC OFF No assignment. OD SOLO Switches the OD/DS SOLO on and off. PrA SOLO Switches the Preamp SOLO on and off. FX1 Switches the FX1 on and off. OD/DS Switches the OD/DS on and off. PREAMP Switches the PREAMP/SPEAKER on and off. FX2 Switches the FX2 on and off. DELAY Switches the DELAY on and off. REVERB Switches the REVERB on and off. PEDAL FX Switches the Pedal FX on and off. TUNER Switches the TUNER/BYPASS on and off. Parameter Value Explanation MODE (SOURCE MODE) MOMENT The normal state is Off (minimum value), with the switch On (maximum value) only while the footswitch is depressed.
* Shown only when certain parameters are selected.TOGGLE The setting is toggled On (maximum value) or Off (minimum value) with each press of the footswitch. SOLO LEVEL 0–100 Adjusts the volume when OD SOLO or PrA SOLO are on.
* Shown only if OD SOLO or PrA SOLO are selected.Note: In addition to switching effects, you can also assign functions such as adjusting levels or changing patch numbers.
If you want to assign multiple functions to the [CTL1] pedal, use the ASSIGN (A1–A6) settings instead.
For more details, please refer to the GT-1 Owner’s Manual and Parameter Guide. https://www.boss.info/global/support/by_product/gt-1/owners_manuals/