I'd like to switch the record arm of specific tracks in Reaper using a Behringer FCB 1010, which is a MIDI footswitch.
As an example, let's say I have 4 tracks in Reaper:
3 for guitar (same input, but different FX);
1 for piano.
I'd like to arm only one guitar track at a time. How could I use the footswitch so that pedal 1 would only arm the first guitar track and disarm the other two? Likewise, when I press pedal 2 on the footswitch, then the second guitar track should be armed, and the other two guitar tracks disarmed. But it is important for me that the piano track stays armed all the time. I think that would be a rather usual usage of controlling guitar effects via MIDI in live situations with multiple players.
I tried creating custom actions and link them to the pedals:
Pedal 1: "Toggle record arm for last touched track" + "Toggle record arm for track 01"
Pedal 2: "Toggle record arm for last touched track" + "Toggle record arm for track 02"
Pedal 3: "Toggle record arm for last touched track" + "Toggle record arm for track 03"
In this case, pedal 1 does not seem to do anything, and pedals 2 and 3 change the arming of multiple channels.
Are there options I'm missing that could help me solve that? Any help is appreciated!