Switching the microphone to mute
When a call is active, the microphone can be muted.
1. "Telephone"
2. "Active calls"
3. 
"Microphone mute"
A microphone that has been switched to mute
is automatically reactivated:
► When a new connection is established.
► When switching between call parties.
See also:
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For a balanced tuning with maximum driving stabilization.
Activating COMFORT
Press the button repeatedly
until the
program display in the tachometer
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In certain situations, the syst ...