Samsung SCH-R300ZKAXAR - Manual (Page 84)

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Security
Use the Security sub-menu to lock your phone, set up emergency
numbers, enable or disable voice privacy, set restrictions, and
other security options.
To access the Security menu, do the following:
1. From the Settings menu, select Phone Settings ➔ Security.
The “Enter Code” prompt appears in the display.
2. Enter the four-digit lock code using the keypad.
Note: The default lock code is the last four digits of your mobile phone
number.
The “Enter Code” prompt disappears and the Security
menu appears in the display.
Lock Phone
Locking the phone blocks all outgoing calls except those to 911
and to the three user-programmed emergency numbers. You can
lock the phone manually, or set the phone to lock automatically
when turned on. In Lock mode, you can answer calls, but you
must unlock the phone to place calls (except to emergency and
secret numbers).
Important!: If you do the following, you won’t be able to access your phone
and you will be required to call the Service Center to unlock your
phone.
– Set Lock Phone to On Power Up
– Change the NAM Selection setting without a number programed
into NAM2.
1. From the Security menu, select Lock Phone. The following
options appear in the display:
• Lock — The phone locks immediately and stays locked until you
enter the lock code.
• Unlock — The phone remains unlocked.
• On Power Up — The phone locks automatically the next time your
phone is powered on and stays locked until you enter the lock code.
2. Select the Lock Phone option of your choice.
Change Lock
The default lock code 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.
1. From the Security menu, select Change Lock.
The “New Lock Code” prompt appears in the display.