Samsung SCH-A630MBIXAR - Manual (Page 120)

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Section 9
1. In standby mode, press the Menu (left) soft key ( ),
then press (for Setup) and for Network.
The following options appear in the display:
ⅷ
Set NAM — NAM1 is the default, your phone operates on
the phone number assinged by your carrier. If you select
NAM2 , your phone operates on your second number, if
assigned.
ⅷ
Roam Option — Set your phone’s roaming options to
Home only , Automatic-A , or Automatic-B .
2. Use the navigation keys to highlight the sub menu you
want, then press .
3. Use the navigation keys and to highlight and select
from the available options.
Security
Use the Security menu to lock your phone, set up
emergency numbers, enable or disable voice privacy,
set restrictions, and more.
Lock Phone
Locking your phone prevents all outgoing calls, except
911 emergency calls, until you enter the (un)lock code.
With the phone in lock mode, you can, however,
answer incoming calls.
1. In standby mode, press the Menu (left) soft key ( ),
then press (for Setup) and for Security. You are
prompted to enter the lock code.
Note: The default lock code is the last four digits of your mobile phone
number.