4/1553-ANF 901 54 Uen D4 2014-01-14
121
M
ISCELLANEOUS
•
Select the top menu function
PhoneSet
.
•
Frame the menu
Display Contrast
and press the soft-key
Select
.
To enter the contrast menu via a key combination:
•
Press the
C
,
*
and
5
simultaneously during at least 1 second.
•
Press the top function key (key lamp is turned on).
A tone signal is heard, and the display shows:
•
Press the soft-key
-
, or the volume key - to reduce the contrast.
•
Press the soft-key
+
, or the volume key + to increase the contrast.
Note:
The soft-keys are only available when firmware revision R3F or
later is active for the telephone. See Firmware indication to check
the firmware revision.
11.10 Firmware indication on page 122
The display shows how the contrast is changed. When the requested
contrast is shown:
•
Press the soft-key
Save&Exit
, or press
#
to finish setting.
11.9 Extra
handset
The extra handset is used in parallel with the ordinary handset allowing
another person to listen to an ongoing call. The extra handset is
connected to the handset outlet under the telephone.
It is possible to switch between the speaking party and the listening
party.
•
Press the headset key to switch between the speaking and listening
party
Note:
When speaking, due to speech quality, only one person at the
time will speak.