Volume control
Adjust the speaker volume with the Up/Down
key during the call.
Mute function
Press the Mute key to switch off the micro-
phone. The mic indicators change to red.
Press again to switch on the microphone.
The mic indicators change back to green.
Konftel 200 • User Guide
Tuning
The sound is adjusted automatically for the
room and the telephone line when Konftel 200
is switched on. Konftel 200 senses the acous-
tics of the room and adapts continuously
during the call. For manual tuning, press the
Up/Down key at the same time. A brief noise
will be heard.
Volume control
mute, tuning
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