Traffic Safety - Optimus DR-100 Owner's Manual

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• Do not listen at extremely high volume
levels. Extended high-volume listening
can lead to permanent hearing loss.
• Once you set the volume, do not
increase it. Over time, your ears adapt to
the volume level, so a volume level that
does not cause discomfort might still
damage your hearing.

Traffic Safety

Do not wear an earphone while operating a
motor vehicle or riding a bicycle.This can cre-
ate a traffic hazard and could be illegal in
some areas.
Even though some earphones let you hear
some outside sounds when listening at nor-
mal volume levels, they still can present a
traffic hazard.
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