T [email protected] Member Oct 27, 2023 #1 1. Get the GTR 200 radio into the “internal setup” mode by turning it on while pressing the right hand knob/button. 2. Select audio setup. 3. Adjust Aux 1 volume.
1. Get the GTR 200 radio into the “internal setup” mode by turning it on while pressing the right hand knob/button. 2. Select audio setup. 3. Adjust Aux 1 volume.
