Lennox Hearth 50 - Manual (Page 7)

ENGLISH
5
Mute function
Switch off the microphone, the LEDs change from
green to red. The receiving party can now not hear
what you are saying. Switch on the microphone by
pressing the button again.
Automatic trimming
Konftel 50 is automatically trimmed to eliminate
echoes when it is turned on. It also senses changes
in your room and continually adapts itself during the
course of the call.
Manual trimming
Konftel 50 can be manually trimmed at any time to
eliminate any echoes. Press the trim button. You
hear a short noise.
Call with Konftel 50