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■ Volume control
To adjust the earpiece or loudspeaker volume during a call or when listening
to an audio file, press the volume keys.
To activate the loudspeaker during a call, select Loudspeaker.
To deactivate the loudspeaker during a call, select Handset.
Warning: Do not hold the device near your ear when the loudspeaker is in
use, because the volume may be extremely loud.
■
Keypad lock (keyguard)
To prevent accidental keypresses, you can lock the keypad.
To lock the keypad in the standby mode, press the left selection key and *
within 1.5 seconds. To set the phone to automatically lock the keypad after a
certain time, select Menu > Settings > Phone sett. > General > Security >
Phone and SIM card > Keypad autolock period > User defined and the
desired time.
To unlock the keypad in the standby mode, select Unlock, and press * within
1.5 seconds.
When the keypad lock is on, calls may be possible to the official emergency number
programmed into your device.
■
Access codes
Select Select Menu > Settings > Phone sett. > General > Security > Phone
and SIM card to set how your phone uses the access codes.