M e n u f u n c t i o n sCopyright © 2004 Nokia. All rights reserved. 23Security settings (Menu 4-7)Note: When security features, which restrict calls, are in use (call barring,closed user group and fixed dialling), calls may be possible to certainemergency numbers in some networks (e.g. 112 or other officialemergency number).Automaticanswerset the phone to automatically answer an incoming call afterfive seconds. If the Incoming call alert is set to Beep once orOff, automatic answer will not be used.Lights set the lights of the display and keypad permanently on, chooseOn. Select Automatic to set the lights on for 15 seconds after akeypress. The Lights option is available only when Handsfree isselected. This function is only available in Handsfree.Select toPIN coderequestset your phone to ask for the PIN code of the SIM card whenthe phone is switched on. Some SIM cards do not allow turningoff this function.Call barringservicerestrict the making and receiving of calls with your phone.Select one of the barring options and set the option on(Activate) or off (Cancel). Check whether a service is activatedby choosing Check status. (Network Service).Fixed dialling restrict your outgoing calls to selected phone numbers, ifallowed by your SIM card.Closed usergroupspecify a group of people whom you can call and who can callyou. (Network Service).Security level set Security level to Phone, the phone asks for the securitycode at start-up if the SIM card inserted is not the one it lastused. Or set Security level to Memory, the security code isrequired when you select the phone’s internal phone book.The security code is also required for using some functions, forexample, to clear the phone book or to restore the factorysettings.Note that when you change the security level, all the recentcalls lists including missed calls (Menu 2-1), received calls(Menu 2-2) and dialled numbers (Menu 2-3), are cleared.Select to