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Section 8A: Important Safety Information 423
Safety
edges that may cause an injury or which could become detached and create a choking
hazard.
Keep the device away from the abdomens of pregnant women and adolescents, particularly
when using the device hands-free.
To reduce exposure to radiation, use your device in good reception areas, as indicated by the
bars on your phone, at least 3 to 4 bars.
Caution: Avoid Potential Hearing Loss
Prolonged exposure to loud sounds (including music) is the most common cause of
preventable hearing loss. Some scientific research suggests that using portable audio
devices, such as portable music players and cellular telephones, at high volume settings for
long durations may lead to permanent noise-induced hearing loss. This includes the use of
headphones (including headsets, earbuds and Bluetooth
®
or other wireless devices).
Exposure to very loud sound has also been associated in some studies with tinnitus (a
ringing in the ear), hypersensitivity to sound and distorted hearing. Individual susceptibility to
noise-induced hearing loss and other potential hearing problems varies. The amount of
sound produced by a portable audio device varies depending on the nature of the sound, the
device, the device settings and the headphones. You should follow some common sense
recommendations when using any portable audio device:
ⅷ Set the volume in a quiet environment and select the lowest volume at which you can
hear adequately.
ⅷ When using headphones, turn the volume down if you cannot hear the people speaking
near you or if the person sitting next to you can hear what you are listening to.
ⅷ 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.
ⅷ Limit the amount of time you listen. As the volume increases, less time is required before
your hearing could be affected.
ⅷ 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.