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Health and Safety Information 97
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, 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
American Academy of Audiology
11730 Plaza American Drive, Suite 300
Reston, VA 20190
Voice: (800) 222-2336