Personalizing the phoneã1999 Nokia Mobile Phones. All Rights Reserved. 53LightsYou can set the display and keypad lights off or on. This setting isavailable when the phone is connected to the PPH-1 handsfree carkit.Confirm SIM service actionsYou can set the phone to display (Asked) or hide (Not asked)confirmation messages when you are using the SIM card services.See also “13. SIM services” on page 67.Security settings (Menu 4-3)Your phone is equipped with a versatile security system to preventunauthorised use of the phone and the SIM card.PIN code requestYou can set the phone to ask for the PIN code of your SIM card whenthe phone is switched on. To enter this function you need the PINcode.Note: Some SIM cards do not allow turning off the PINcode request.Fixed diallingYou can restrict your outgoing calls to selected phone numbers, ifallowed by your SIM card. You need the PIN2 code for this function.When this function is on, you can only call phone numbers whichare included in the fixed dialling list or which begin with the samedigit(s) as a phone number on the list.Within the Numbers function you can check the phone numbers(Search) and add new numbers in the list (Add entry) as well asclear the list (Erase all).