See also:

Volume of spoken instructions
Turn the volume button while giving an instruction until the desired volume is set. The setting is stored for the remote control currently in use. ...

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 autom ...

Engine data
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