User's Manual

DRAFT
Internal Use Only
Health and Safety Information 275
(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 cell phones, 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 potential
hearing problem varies. Additionally, the amount of sound produced
by a portable audio device varies depending on the nature of the
sound, the device settings, and the headphones that are used. As a
result, there is no single volume setting that is appropriate for
everyone or for every combination of sound, settings, and
equipment.
You should follow some common sense recommendations when
using any portable audio device:
• Always turn the volume down before plugging the earphones into an audio
source.
• Set the volume in a quiet environment and select the lowest volume at
which you can hear adequately.
• Be aware that you can adapt to higher volume settings over time, not
realizing that the higher volume may be harmful to your hearing.
• 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.