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M
V
4223 O
I
OICE
FFICE
11.8
11.9
11.10
113
(DBC 223)
M
V
FOR
I
OICE
DISPLAY CONTRAST
To enter the contrast menu via the soft-key PhoneSet :
•
Press the soft-key PhoneSet .
From the menu select Display Contrast and press the soft-key Select .
•
To enter the contrast menu via a key combination:
•
Press the C , * and 5 simultaneously for 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 113
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.
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.
FIRMWARE INDICATION
To allow the user to improve the local telephone functions, the telephone firmware can
be updated to the latest version.
To check the current firmware revision that is used for your telephone:
•
Press the soft-key PhoneSet .
Press the menu Firmware indication and press the soft-key Select .
•
MX-ONE
3/1553-ANF 901 54 Uen F5 2018-12-03
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