Feature settings, Set contrast, Set home area code – AT&T Trimline 240 User Manual
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Set Contrast
You can adjust the screen lighting to a comfortable
level from
1 (light) to 5 (dark).
1 Press and release N until the screen
displays the current level and
SET CONTRAST.
2 Press - or + until the screen displays your
selection.
3 Press N.
Set Home Area Code
Your own area code is the area code associated with
your phone number. You need to program a Home
Area Code so your phone can properly recognize
and dial calls.
1 Press N twice.
2 Press - or + until the screen displays the first
digit of your home area code.
Do not use the
keypad to enter digits.
3 Press
D
.
4 Repeat Steps 2 and 3 for the second and third
digits of your area code.
5 Press N to save the Home Area Code. You
will not see or hear confirmation of the new
Home Area Code, but the screen will prompt you
to set the next feature.
HAC-___
HOME AREA CODE?
If you dial...
For...
Then, in Steps 2–4
7 digits
Calls within your Enter your own
(phone number,
own area code
area code
no area code)
10 digits
Calls within your Enter 0 0 0, then
(area code +
own area code
follow the directions
phone number)
in “Set Local Area
— OR —
Code(s)” on page 8
11 digits
(1 + area code +
phone number)
FEATURE SETTINGS
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