Bang & Olufsen BeoCom 4 - User Guide - Manual (Page 11)

11
Volume and the microphone
During a call, you can adjust the volume level with the wheel. You
can also switch off the microphone, if you do not wish the person
on the phone to overhear a conversation you are having with a
person in the room.
Turn the handset volume up or down…
Turn the wheel to adjust the handset volume
Turn the microphone on or off…
Press to open the display. If the microphone is
on, the display prompts you to switch it off, and
if it is off, you are prompted to switch it on
Press to select the displayed setting
Volume
A selected volume setting – with
the exception of the two highest
settings – applies to all subsequent
calls until the next time you adjust
the volume.
If the microphone is muted, the
handset beeps at short intervals.
OK
Mic. off?
OK