Security Settings

The lock code is factory set to 0000. To change the phone lock code, refer to menu option 7-2. Once the correct lock code has been entered, you can use the phone until you switch it off.

Phonebook Lock

Menu 7-4

When the Phonebook Lock feature is enabled, you must enter the 4-digit phone lock code each time you access the phonebook to dial numbers or store numbers in it.

Fixed Dialling Number

Menu 7-5

This feature allows you to restrict your outgoing calls to a limited set of phone numbers.

Note: If your SIM card does not support this feature, the menu option is not displayed.

FDN List: shows the fixed dialling number list. The options available depend on whether the FDN mode is enabled or disabled.

To call a number in the list, press the key twice.

If the FDN mode is disabled, you cannot call the number and the message Check FDN Mode is displayed for two seconds.

FDN Mode: enables or disables the FDN mode.

To change the FDN mode, you must enter your PIN2.

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Samsung GSM/DCSI1800 owner manual Phonebook Lock, Fixed Dialling Number, FDN Mode enables or disables the FDN mode