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■ Flight mode
You can deactivate all radio frequency functionality and still have access
to offline games, calendar, and phone numbers. Use the flight mode in radio
sensitive environments—on board aircraft or in hospitals. When the flight mode
is 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 phone attempts
to make an emergency call.
■ Keypad lock (keyguard)
To prevent the keys from being accidentally pressed, close the phone, and select
Lock within 3.5 seconds.
To unlock the keypad, select Unlock > Ok, or open the phone. If the security
keyguard 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. 48.
When the keyguard is on, calls still may be possible to the official emergency
number programmed into your device.
■ Functions without a SIM card
Several functions of your phone may be used without installing a SIM card
(for example, 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
is properly inserted in the device.