S e t t i n g s631. At the start screen, select Menu > Settings > Security settings.2. Enter the lock code, and select OK. See "Change lock code," p. 63.3. Select Allowed no. when phone locked. Highlight an empty folder and selectAssign and enter the phone number; or select Assign > Search to recall thenumber from Contacts. Select OK.Call the allowed phone number1. At the start screen, press the joystick down and highlight the contact youwish to call.2. Press the call key to place the call.Change lock codeAvoid using codes similar to emergency numbers such as 911 to preventaccidental dialing of the emergency number.The preset lock code is 1234 or the last four digits of your phone number. If youenter an incorrect lock code five times in a row, your device will prompt you forthe lock code.If you enter the wrong lock code 5 times in succession, you will not be able to entera code for 5 minutes, even if you power off the device between incorrect entries.1. At the start screen, select Menu > Settings > Security settings > Change lock code.2. Enter the new lock code (must be 4 characters in length), re-enter the newlock code for verification, and select OK.3. Reenter the new lock code for verification, and select OK.When you change your lock code, make sure you store it in a safe place, awayfrom your device. Avoid entering access codes similar to emergency numbers toprevent accidental emergency calls.Call restrictionsCall restrictions is a network service. See "Network Services," p. 5.If your wireless service provider supports this feature, you can restrict the calls yourdevice makes and receives. When calls are restricted, calls still may be possible tothe official emergency number programmed into your device. Contact your serviceprovider for the restriction password.1. At the start screen, select Menu > Settings > Security settings > Call restrictions.2. Enter the lock code, and select OK. See "Change lock code," p. 63.