LG VS660 - Manual (Page 290)

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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.
●
Limit the amount of time you listen. As the volume increases,
less time is required before your 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
following sources:
American Academy of Audiology
11730 Plaza American Drive, Suite 300
Reston, VA 20190
Voice: (800) 222-2336
Email: [email protected]
Internet: www.audiology.org
National Institute on Deafness and Other Communication Disorders
National Institutes of Health
31 Center Drive, MSC 2320
Bethesda, MD USA 20892-2320
Voice: (301) 496-7243
Email: [email protected]
Internet: http://www.nidcd.nih.gov/health/hearing
Safety