PC and CC Function Message Value Preset Change PC 0-23 (Corresponds to Presets 01-24) Tap Tempo CC#64 64-127 FX on/off CC#11 0-63 (Bypass) 64-127 (On) Expr. Pedal CC#1 0-127 Tuner Mode CC#69 0-63 (Exit) 64-127 (Enter)