Goseba
4
Program it directly, not with software.
From memory, buttons should be set to: Toggle, LED (I have LED on when muted or solo’d with values 127 and zero), cc49 is mute, cc50 is solo.
On my Zero I have also set up midi channel mutes and solos that use cc’s 112-127.
When you set up a new template, I found I have to go to page 2 of edit to select toggle to get all the parameters on page 1 available.
This is all from memory of course.