62 Copyright © 2004 Nokia• ENHANCEMENTThe Enhancement settings menu appears only if the phone is or has beenconnected to some Nokia audio enhancements, for example, to a headset.1 Select Menu > Settings > Enhancement settings.2 Select either Headset, Handsfree, Loopset, TTY/TDD, or Gaming cover andfollow the prompts.Note: TTY/TDD is only available in the Nokia 3100b and theNokia 3120b phones.• SECURITYNote: Calls may be possible to the official emergency number programmedinto your phone even when security features that restrict calls are in use.Select Menu > Settings > Security settings and select one of the following options:PIN code request—Set the phone to ask for your PIN code every time the phone isswitched on (if this function is supported by your SIM card).Call restrictions—Restrict incoming calls to and outgoing calls from your phone.Fixed dialing—Restrict your outgoing calls to selected phone numbers (if thisfunction is supported by your SIM card).Closed user group—Specify a group of people whom you can call and who can call you.Security level—Set the security code (the preset security code is 12345) for your phone.Access codes—Change the security code, PIN code, PIN2 code or restriction password.• RESTORE FACTORY SETTINGSYou can reset some of the menu settings to their original values.1 Select Menu > Settings > Restore factory settings.2 Enter the security code (the default is 12345) and select OK.Note: Data that you have entered or downloaded is not deleted. For example,names and numbers in Contacts are not affected.