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Mute function
Press the mute button to turn off the microphone.
The LEDs change from green to red. The other party
cannot hear what you are saying.
Press the mute button again to switch the micro-
phone back on.
Tuning the sound manually
Konftel 50 adjusts itself automatically when you
switch it on to eliminate echo. It also senses changes
in the room and continually adapts during the call. If,
despite this, you still experience reduced sound qual-
ity, Konftel 50 can be tuned manually at any time.
Press trim.
A short noise is heard.
ENDING A CALL
Hang up the handset.
Press the on/off button to turn off Konftel 50.
USING A SYSTEM TELEPHONE