Operation Manual

Table Of Contents
81BusinessPhone Cordless DT400/DT410/DT420/DT430
Audible Adjustments
Audible Adjustments
In order to satisfy your personal needs, your Cordless is equipped
with many options to set and adjust a personal volume, ringing
signal and ring melody. In addition to this there is a trembler, if your
system has that option.
Volume control
Use the volume keys to adjust the volume in the earpiece.
See section Description on page 8 for the location of volume
controls.
To turn the microphone, ringer and warning sound on or off during
a call, see section During Calls on page 19.
Earpiece volume
When you are making a call, the volume keys affect the earpiece
volume. This is useful when e.g. you enter a machinery room.
The earpiece volume can be set to 10 different levels.
U
or
D
Press the volume controls to adjust the earpiece volume
during a call
Ringer volume
There are 5 ringer levels. You can set the ringer volume when the
telephone is in idle state or via the Alerting menu.