Samsung SGH-T819CNATMB - Manual (Page 152)

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Phone Lock
When the Phone lock feature is enabled, the phone is locked and you must enter the
4- to 8-digit phone password each time the phone is switched on. To change the
phone password, see "Change Phone Password" on page 150. Once the correct
password is entered, you can use the phone until you switch it off. The following
options are available:
• Off: you are not asked to enter the phone password when you switch on the phone.
• On: you are required to enter the phone password when you switch on the phone.
PIN Lock
When the PIN Lock feature is enabled, you must enter your PIN each time you switch
on the phone. Consequently, any person who does not have your PIN cannot use
your phone without your approval.
Note: Before disabling the PIN Lock feature, you must enter your PIN.
The following options are available:
• Off the phone connects directly to the network when you switch it on.
• On: you must enter the PIN each time the phone is switched on.
Lock Applications
Using this menu, you can lock the following categories:
- All lock
- Messages
- Fun & Apps
- Call records
- Phonebook
- Calendar
- Notes
- IM
- Tasks
Once you lock the contents, you must enter the phone’s password to access the
associated menus.
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.