- Connect the MODEL D to your computer via USB MIDI.
- Open a MIDI utility (such as MIDI Ox).
- Send the SysEx command to disable the MIDI Channel switches (F0 00 20 32 00 7F 0A 0A 00 01 F7).
- Send the SysEx command to change the MIDI Channel (e.g., F0 00 20 32 00 7F 0A 00 00 0C F7 for Channel 13).
Source: Minimoog Model D — model-d-qsg-ww (manual)
