Y o u r p h o n e19■ Flight modeYou can deactivate all radio frequency functionality and still have access tooffline games, calendar, and phone numbers. Use the flight mode in radiosensitive environments—on board aircraft or in hospitals. When the flight modeis active, is shown.Select Menu > Settings > Profiles > Flight > Activate or Customize.To deactivate the flight mode, select any other profile.In the flight mode you can make an emergency call. Enter the emergency number,press the call key, and select Yes when asked Exit flight profile? The phoneattempts to make an emergency call.■ Keypad lock (keyguard)To prevent the keys from being accidentally pressed, close the phone, and selectLock within 3.5 seconds.To unlock the keypad, select Unlock > Ok, or open the phone. If the securitykeyguard is activated, enter the security code if requested.To answer a call when the keyguard is on, press the call key or open the phone.When you end or decline the call, the keypad automatically locks.For Security keyguard, see "Phone," p. 49.When the keyguard is on, calls still may be possible to the official emergencynumber programmed into your device.■ Functions without a SIM cardSeveral functions of your phone may be used without installing a SIM card (forexample, the data transfer with a compatible PC or another compatible device).Some functions appear dimmed in the menus and cannot be used.For an emergency call, some networks may require that a valid SIM card isproperly inserted in the device.
