Video by QSC via YouTube
Source
Learn how to unassign a single channel from the main outputs while stlll sending it to an aux. In this case, the timbales need to be sent to the broadcast mix but they are too loud to be in the main speakers.
Learn more about TouchMix Digital Mixers:
https://www.qsc.com/products-solutions/mixers/touchmix-series-compact-digital-mixers/