Mute Button Configuration - Shure Microflex M300 Series User Manual

Mute Button Configuration

Use DIP switches 1 and 2 to configure the mute button, as follows.
Be sure to set DIP switch 3 off (factory default) so that the mute button controls audio from the microphone.
Switch Function
Momentary: push-to-mute (as shipped).
Momentary: push-to-talk
Toggle: (Push On/Push Off): Mic is active when powered on
Shure Incorporated
DIP Switch Setting
9/16