D1337703_T2000_MXP_User_Manual
3.2.4Mic Off
To mute the microphone during a call, press the Mic off button. An
Note that Mic off will mute all microphone inputs, but will not mute audio from the AUX and VCR inputs.
When an incoming call is answered, the microphone may be in the off state because the Auto Answer setting is On+Mic off, see Auto Answer. The icon will start to flash when you start speaking. Remember to turn the microphone on before a meeting.
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