
DBC 425
WITH
SIP
FOR
MX-ONE
79
14/1553-ANF 901 54 Uen E 2009-11-04
Figure 61:
Increase the level by pressing the
+
(F3) key and decrease by pressing
the
-
(F2) key. Save the level by pressing the
Save
(F4) key.
10.10
Setting the Display Contrast
It is possible to increase or decrease the contrast of the display.
Select the
Settings
-
Display Contrast
menus and the display will
show:
Figure 62:
Increase the level by pressing the
+
(F3) key and decrease by the
-
(F2)
key. Save the level by pressing the Save (F4) key.
10.11 Selecting
Option
Unit
It is possible to select the function of the option unit in this menu:
Extra Bell:
The extra bell is activated in parallel with the ring signal.
Busy Signal:
The busy signal is activated in off-hook mode. The function can be
used to control a Do-not-disturb lamp at the door.