The concept of sub snapshots (zs3) is that the current configuration of a layer is assigned to a MIDI program change and may be recalled quickly with that program change. Due to recent changes (which are still in flight) the docs didn’t describe this accurately. (I just tweaked them.) To add a ZS3:
- Within admin menu, enable “Program Change ZS3”
- Create a layer and configure as desired
- Within layer control screen, bold press the snapshot/learn button - this enters control MIDI learn mode
- Short press the snaphot/learn button - this enters the ZS3 learn mode
- Send a MIDI program change from an external MIDI controller
- Repeat for other layer configurations
When a MIDI program change is received, the corresponding layer changes to the associated configuration. You can manipulate existing ZS3 by highlighting them in the ZS3 learn screen and bold press SELECT.
Of course this all requires an external MIDI controller capable of sending MIDI program change which is the constraint that the (hopefully soon to be added by @VK5LA) feature request would address.