Konftel 100/D - Manual (Page 11)

ENGLISH
9
Automatic tuning
When the Konftel 100/D is turned on, it auto-
matically adjusts sound levels to the room and
the telephone line. Konftel 100/D registers the
room’s acoustics and makes adjustments
continually during the call.
Manual tuning
To eliminate possible echo during a call, Konftel
100/D can be tuned manually. Press the – and +
keys simultaneously. A short noise burst will be
heard.
and
FINE TUNING