To facilitate being able to hand a tablet with UC to a "guest engineer" without endangering musicians with IEMs. Locking out preamp gains (and related controls) would also be nice.
QMIX-AI locked to FOH, with Wheel of Me controlling mains volume, would be perfect to be able hand to the house manager if they want such control. Especially if locked to Wheel of Me so mains volume only is available.
Thanks.