AASTRA DT4x2 for MD Evolution User Guide EN - Manual (Page 127)

127 MD Evolution – Cordless DT412 / DT422 / DT432
DT4X2 Adjustments
Ringer volume
There are audible 5 ringer levels and one silent level. You can set
the ringer volume via the
Alert signals
menu.
When you have entered settings: á
Select Alert signals . á
Select Volume . â
or
ã
Select the required volume level.
You have six available alternatives;
Level 1
to
5
, or
Silent
.
If you want to hear the volume level during the changing:
Play Press (see display).
The marked volume is played until you press
Stop
or
Select
.
Select Press to select the volume (see display).
The selected volume is shown.
Mute audible signals
To mute the ringing signal before answering a call, see section
“ Mute ringing signal ” on page 35. See section “ DT4X2 General
Description ” on page 20 for the location of the Mute key.
You can also turn the ringer off permanently. When the phone is on
hook (idle mode):
Press and hold the Mute key on the right side of the phone.
The Ringer off icon is shown. Now only the red LED will indicate an
incoming call.
Note: High priority messages will override this setting. This
action will also mute message signals.
Press and hold the Mute key to turn the ringer on again.
The Ringer off icon disappears.