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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
acoustics 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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