Y o u r p h o n e22 Copyright © 2006 Nokia. All rights reserved.■ Flight modeYou can deactivate all radiofrequency functionality and stillhave access to offline games,calendar, and phone numbers. Usethe flight mode in radio sensitiveenvironments—on board aircraftor in hospitals. When the flightmode is active, is shown.Select Menu > Settings > Profiles> Flight > Activate or Personalise.To deactivate the flight mode,select any other profile.In the flight mode you can makean emergency call. Enter theemergency number, press the callkey, and select Yes when askedExit flight profile? The phoneattempts to make an emergencycall.■ Keypad lock(keyguard)To prevent accidental keypresses,select Menu, and press * within3.5 seconds to lock the keypad.To unlock the keypad, selectUnlock, and press * within 1.5seconds. If the Security keyguardis set On, enter the security code ifrequested.To answer a call when thekeyguard is on, press the call key.When you end or reject the call,the keypad automatically locks.For Automatic keyguard andSecurity keyguard, see ”Phone”p. 52.When the keyguard is on, callsmay be possible to the officialemergency number programmedinto your device.■ Functions without aSIM cardSeveral functions of your phonemay be used without installing aSIM card (for example, the datatransfer with a compatible PC oranother compatible device). Somefunctions appear dimmed in themenus and cannot be used.For an emergency call, somenetworks may require that a validSIM card is properly inserted in thedevice.