Copyright © 2006 Nokia. All rights reserved.Tools98data coverage and you select When available, the deviceperiodically tries to establish a packet data connection.Access point—The access point name is needed to useyour device as a packet data modem to your computer.ConfigurationsYou may receive trusted server settings from yournetwork operator or service provider in a configurationmessage, or the settings may be stored on your SIM orUSIM card. You can save these settings to your device,view or delete them in Configurations.Date and timeSee ’Clock settings’, p. 12.See also the language settings in ’General’, p. 93.SecurityPhone and SIMPIN code request—When active, the code is requestedeach time the device is switched on. Deactivating thepersonal identification number (PIN) code request maynot be allowed by some SIM cards. See ’Glossary of PINand lock codes’, p. 99.PIN code, PIN2 code, and Lock code—You can change thelock code, PIN code, and PIN2 code. These codes can onlyinclude the numbers from 0 to 9. See ’Glossary of PIN andlock codes’, p. 99.Avoid using access codes similar to the emergencynumbers to prevent accidental dialing of the emergencynumber.If you forget any of these codes, contact your serviceprovider.Autolock period—You can set an autolock period, atime-out after which the device automatically locks andcan be used only if the correct lock code is entered. Entera number for the time-out in minutes, or select None toturn off the autolock period.To unlock the device, enter the lock code.When the device is locked, calls may be possible to theofficial emergency number programmed into your device.Tip! To lock the device manually, press . A list ofcommands opens. Select Lock phone.Lock if SIM changed—You can set the device to ask forthe lock code when an unknown SIM card is inserted intoyour device. The device maintains a list of SIM cards thatare recognised as the owner’s cards.Closed user group—You can specify a group of people towhom you can call and who can call you (network service).