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Adjust Screen contrast
The Screen contrast option allows you to adjust the contrast of the display on your
telephone. After you select Screen contrast from the
Lower
or
Press the
Done
Key to save changes. Press the
Adjust volume
Note: After you select Volume adjustment. . . from the
adjustable items for your telephone model appears. It is recommended that you adjust
these parameters while you are on a telephone call so that you can judge the impact of the
changes your are making.
To adjust the Ringer volume:
Ringer
Lower
or
Press the
Done
Key to save changes. Press the
Use the procedure above to adjust the volume on the following items:
Buzzer
Speaker
Handset listen
Handsfree listen
Higher
1. Select
2. Press the
Higher
Note 1: Headset listen is adjustable on the
M3903 and M3904 only.
Note 2: Headset talk and Headset
sidetone are adjustable on the M3904
only.
Note 3: Headset sidetone (M3904 only) is
the sound of your own voice that you hear
in the headset speaker.
Options List
From the
Contrast
screen, press the
Lower
Key to decrease the display
contrast level, or press the
to increase the display contrast level.
Quit
Key or
Options
Options List
menu, a list of
Ringer
from the
Lower
Key to decrease the
ringer volume, or press the
to increase the ringer volume.
Quit
Key or
Options
Headset listen
Headset talk
Headset sidetone
Options List
menu;
Key
Higher
Key to exit.
Volume
menu.
Key
Higher
Key to exit.
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