■ 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.