Nokia 3250

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■ Volume control
To adjust the earpiece or loudspeaker volume during a call or when 
listening to an audio file, scroll left or right.
To activate the loudspeaker during a call, select 
Loudsp.
.
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 the keys from being accidentally pressed, press the left 
selection key and * within 1.5 seconds to lock the keypad.
To unlock the keypad, 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.