Product overview 1 ON/OFF button See Switching the handheld transmitter on and off 2 DATA LED See Meaning of the LEDs 3 SYNC button See Establishing a radio link | Synchronizing the receiver and transmitter 4 LINK LED See Meaning of the LEDs 5 Mute switch See Muting the handheld transmitter 6 Microphone module See Replacing the microphone module
