10Volume control mute, tuning
Volume control
English
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.
Tuning
The sound is adjusted automatically for the room and the telephone line when Konftel 200NI is switched on. Konftel 200NI 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.
Konftel 200NI • User Guide
