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Several solutions exist to alternate a single expression pedal between "Wah" and Whammy" tasks in a preset, "Wah" and "Volume", etc., involving multiple Volume blocks, or a Mixer block, or the necessity to use scenes .
Well, the III brings a new solution and not that difficult: the Multiplexer block.
Note: instead of using an ext. controller you can switch the MUX between channels.
Well, the III brings a new solution and not that difficult: the Multiplexer block.
- Add a Wah block to the regular chain (i.e. row 1), in series.
- In the Wah block, attach an "External Controller" (connected to the pedal) or "Pedal" as modifier source to the "Wah Control" parameter and select an Auto-Engage mode. Set Bypass Mode to Thru.
- Split the routing before the Wah to a parallel row (row 2), and merge the rows again after the Wah.
- Add a Pitch block to the parallel row (row 2), below the Wah block.
- In the Pitch block, select "Classic Whammy", set Mix to 100% and other parameters to your liking. Attach an "External Controller" (same one) or "Pedal" to the "Whammy Control" parameter and select an Auto-Engage mode. Set Bypass Mode to Thru.
- Add the Multiplexer block to the routing after Wah/Whammy. Bypass Mode is Thru. Engage the block.
- Add a different External Controller as modifier source to the "Input Select" parameter. In the Modify menu set Min to row 1, and Max to Row 2.
- Assign the External Controller's MIDI CC to a switch on your MIDI controller.
Note: instead of using an ext. controller you can switch the MUX between channels.
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