Important - Safe Hearing Level Info - SanDisk Sansa e200 User Manual

Important - Safe Hearing Level Info

IMPORTANT INFORMATION
YOU MUST READ THIS BEFORE USING YOUR SANSA MP3 PLAYER
Congratulations on the purchase of your SansaTM media player!
Your media player is equipped with a variety of features. To help you maximi-
ze your listening pleasure, SanDisk would like to advise you that it is impor-
tant to use your headphones with your media player at a safe hearing level.
• Exposure or repeated exposure for an extended period of time to music
and other sounds that are too loud can cause damage to your hearing
resulting in temporary or even permanent "noise induced hearing loss".
• Symptoms of hearing loss increase gradually with prolonged exposure at
high levels of loudness.
Initially, you may not even be aware of the loss unless detected with a hea-
ring test.
HEARING LEVELS
To help you understand what may be considered a safe hearing level, the
following examples are included for your reference.
Examples of Typical Approximate Sound level
Sound Levels in Decibels (dB)*
Refrigerator humming 40
Normal conversation 60
City traffic 80
Motorcycles and lawnmowers 90#
Rock concerts 110-120#
Firearms 120-140#
* dB -A decibel (dB) is a unit of relative measurement of the strength of
sound wave. In decibels (dB), a measured signal level doubles with every
additional 3 dB.
# - These sound decibel levels are considered harmful under extended expo-
sure.
Information courtesy of the National Institute of Deafness & Other Communi-
cation Disorders (NIDCD)
http://www.nidcd.nih.gov/health/hearing/noise.asp
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