Nortel Networks M3901 - Manual (Page 92)

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Options List
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
Options List menu;
or
From the Contrast screen, press the
Lower Key to decrease the display
contrast level, or press the Higher Key
to increase the display contrast level.
Press the Done Key to save changes. Press the Quit Key or Options Key to exit.
Adjust volume
Note: After you select Volume adjustment. . . from the Options List menu, a list
of 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:
1. Select Ringer from the Volume menu.
or
2. Press the Lower Key to decrease the
ringer volume, or press the Higher Key
to increase the ringer volume.
Press the Done Key to save changes. Press the Quit Key or Options Key to exit.
Use the procedure above to adjust the volume on the following items:
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.
Lower Higher
Ringer
Lower Higher
Buzzer
Speaker
Handset listen
Handsfree listen
Headset listen
Headset talk
Headset sidetone