Samsung Galaxy S 4 Important Information Manual page 39

Sprint_L720_T_IIB_.book Page 39 Wednesday, September 25, 2013 10:11 PM
● Do not turn the volume up to block out noisy
surroundings. If you choose to listen to your
portable device in a noisy environment, use
noise-cancelling headphones to block out
background environmental noise. By
blocking background environment noise,
noise cancelling headphones should allow
you to hear the music at lower volumes than
when using earbuds.
● Limit the amount of time you listen. As the
volume increases, less time is required before
you hearing could be affected.
● Avoid using headphones after exposure to
extremely loud noises, such as rock concerts,
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that might cause temporary hearing loss.
Temporary hearing loss might cause unsafe
volumes to sound normal.
● Do not listen at any volume that causes you
discomfort. If you experience ringing in your
ears, hear muffled speech, or experience any
temporary hearing difficulty after listening to
your portable audio device, discontinue use
and consult your doctor.
You can obtain additional information on this
subject from the following sources:
Important Safety Information 39