This room has 2 mic inputs in addition to the room speakers, one paired to the room's lavalier mic and one paired to the room's hand-held mic. Spare batteries should be present if needed and are supplied by physical plant. Please do not touch the channel settings or move equipment from its designated room.
Turn on the room's AV system using the control panel.
Turn on the microphone(s).
Control the microphone volume/sensitivity using the Microphone Level menu option on the AV Panel that can be used to change the volume or mute the device.