SETTING UP
MAKING YOUR FIRST CALL
24
2
CHAPTER
7After you finish the call, press Power/
End to end the call.
Adjusting call volume
While a call is in progress, press the
Volum e button on the side of your Centro
to adjust the call volume.
•To increase the volume, press the upper
half of the Volum e button.
•To decrease the volume, press the
lower half of the Volum e button.
What’s my phone number?
1Make sure your phone is on (see
Turning your phone on and off).
2Press Phone .
3Press Menu .
4Select Options, and then select Phone
Info.
If your phone number doesn’t appear in
Phone Info, make sure your SIM card is
properly inserted into your Centro. If your
phone number still does not appear in
Phone Info, look for the number on the
plastic holder to which the SIM card was
attached. If you still need assistance,
please contact AT&T.
TIP
If you are inside a coverage area and
cannot complete a call, contact AT&T for
assistance.
Volume
Side button
Look here for
your phone
number