...
POWER ON the Black Pyle Microphone head end box. Ensure the Black Pyle Microphone head end system is powered on. It’s located under the corner podium desk. The power button is on the front.
...
To mute your microphone TAP the Power button and the green ring around the microphone will become blank. To unmute, select the Power button again and the ring will light up green again.
When done with the system TURN ALL MICROPHONES OFF by holding down the power button for three seconds. The digital display will go blank when off. Failing to turn the microphones off will result in dead batteries.
Optional but encouraged: Turn off the large Black Pyle Microphone head end box located under the corner podium.