1. Start with all HUB equipment “OFF”.
2. Connect interface unit to the back of wired system or wall port via RED 3-pin XLR.
3. Connect the interface unit to the HUB via 2-pin connector.
4. Turn the HUB “ON”, then install batteries into wireless headsets.
Volume is increased and decreased with the red and white buttons on the interface. Adjustments are made in digital steps; click and release button.