Samsung SCH-a870 Series User Manual page 136

Security
Use the Security menu to lock your phone, set up emergency numbers, enable or
disable voice privacy, set restrictions, as well as other security options.
Lock Phone
Locking the phone limits all outgoing calls except calls to 911 emergency and the
three user-programmable emergency numbers. You can lock the phone manually
during use, or set the phone to lock automatically when it is turned on. With the
phone in lock mode, you can answer incoming calls, but you must unlock the phone
to place outgoing calls (except to emergency and secret numbers).
In standby mode, press the MENU key (
1.
Settings), and
You're prompted to enter the lock code.
Note: The default lock code is the last four digits of your telephone number.
Press
2. @
appear in the display:
Lock — Locks the phone immediately (The phone stays locked until you enter
the lock code.)
Unlock — Unlocks the phone
On Power up — The phone locks automatically the next time your phone is
powered on (The phone stays locked until you enter the lock code.)
Use the navigation keys to highlight the Device Lock Mode option of your
3.
choice.
Press the
4.
Change Lock
The default lock code for your phone is generally the last four digits of your phone
number. It is advisable to change the default lock code to a secret code for security
purposes.
In standby mode, press the MENU key (
1.
Settings), and
You're prompted to enter the lock code.
Note: The default lock code is the last four digits of your telephone number.
Press
2.
code.
136
(for Phone Settings), and
for Lock Phone. The following Device Lock Mode options
) )
key to perform the function for the highlighted option.
(for Phone Settings), and
for Change Lock. You're prompted to enter the new lock
), then press (for
for Security.
), then press (for
for Security.