Sennheiser M3AEBTXL Instruction Manual page 24

Multi-function button
Press 1x
Press 1x
Press and hold
for 1 second
Press 2x
Press 1x
Press 2x
Press 2x
Muting the microphone
To mute the headphones' microphone during a call:
▷
Press the volume - button for 2 seconds.
The microphone is muted. You hear the voice prompt "Mute on".
To continue the call and reactivate the microphone:
▷
Press the volume - or the volume + button for 2 seconds.
The microphone is reactivated. You hear the voice prompt "Mute off".
Function
Accepts a call
Ends a call
Voice prompt "Call ended"
Rejects a call
Voice prompt "Call rejected"
Redials the last number
Voice prompt "Redial"
(only when music playback is NOT
active)
Accepts an incoming call and ends
the active call
Puts the active call on hold and
accepts an incoming call
Toggles between active call and call
on hold
24