Samsung SGH-T519 - Manual (Page 123)

Section 8: Changing Your Settings 119
Security
Sect
ion 8
Lock application
Using the Lock application option, you can lock
everything on your phone with the exception of
making a call. The password must be entered to access
Menu mode or t-zones.
To enable Lock application:
1. Use the Up or Down Navigation keys to select the
category you wish to enable the Lock application press
the
key. A checkmark is placed next to the categories
that you selected.
2. Press the Save soft key.
3. Enter your password and press the OK soft key or the
key.
To disable Lock application:
1. Use the Up or Down Navigation keys to select the
category you wish to disable the Lock application press
the
key. A checkmark is placed next to the categories
that you selected.
2. Press the Save soft key.
3. Enter your password and press the OK soft key or the
key.
Note: The password is preset to “00000000” at the factory. To change this
password, see "Change password" on page 118.
FDN mode
FDN (Fixed Dial Number) mode, if supported by your
SIM card, allows you to restrict your outgoing calls to a
limited set of phone numbers.