Nokia 8600 Luna - Manual (Page 52)

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, The GPRS or EGPRS connection is suspended (on hold), for example, if there is an
incoming or outgoing call during an EGPRS dial-up connection.
A Bluetooth connection is active.
If you have two phone lines, the second phone line is selected.
All incoming calls are diverted to another number.
The loudspeaker is activated.
Calls are limited to a closed user group.
The timed profile is selected.
A headset or handsfree enhancement is connected to the phone.
■ Keypad lock (keyguard)
To prevent the keys from being accidentally pressed, select
Menu, and press * within 3.5 seconds to lock the keypad.
When the slide is open, close the slide and select Lock.
To unlock the keypad, select Unlock, and press * within 1.5
seconds. If the Security keyguard is set On, enter the security
code if requested.
To unlock the keypad with the slide closed, select Unlock > OK,
or open the slide to automatically unlock the keypad.
To answer a call when the keyguard is on, press the call key.
When you end or reject the call, the keypad automatically locks.
For Security keyguard, see "Phone," p. 56.
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). Note that when you use
the phone without a SIM card, some functions appear dimmed in the menus and cannot be
used. Synchronizing with a remote internet server is not possible without a SIM card.
For an emergency call, some networks may require that a valid SIM card is properly inserted
in the device.