You might try this. I’m using CC102 value of 127 for mute on and CC102 value of 0 for mute off. Both of Track 1
Allen-and-Heath-QU16 Mute Example-2022-08-10.bmtp (1.1 KB)
The output is based on the QU protocol Manual V1.9 found here.
You might need to set up your aliases for your actual devices. Since I have neither I just tested using virtual ports.
Steve Caldwell
Bome Customer Care
Also available for paid consulting services: bome@sniz.biz