I swear I’ve done this before but I can’t for the life of me figure out how. My goal is that when I’m in mixer mode on the octatrack, that I can mute individual tracks on the digitone by muting midi track 1-4.
In my current setup, the octa sends clock and program change, I have the octa’s audio tracks set to midi off, and the midi tracks are 1-8. I’m using the digitone’s sequencer to sequence itself. I have the digitone mute dst set to int+ext.
On Digitone, track mute is CC 94 on the assigned MIDI channel. So you’ve got a gap: you need to turn your 112, 113, 114 and 115 messages into CC 94. If you have a device in the middle for midi processing (for eg. MIDIHub) you could set up this mapping pretty straightforwardly. But otherwise, I don’t think it will be possible to do this directly from Octatrack track mutes.
Your other option is to sequence the Digitone on the Octatrack instead, then muting that MIDI track = muting the Digitone, but that might not work for you if you want to use the Digitone’s sequencer.