Radio Shack PRO-99 Scanner User Manual


 
13
Listening Safely
To protect your hearing, follow
these guidelines when you use an
earphone or headphones.
Set the volume to the lowest
setting before you begin
listening. After you begin
listening, adjust the volume to
a comfortable level.
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 use an earphone or
headphones with your
scanner when operating a
motor vehicle or riding a
bicycle in or near traffic. Doing
so can create a traffic hazard
and could be illegal in some
areas.
If you use an earphone or
headphones with your
scanner while riding a bicycle,
be very careful. Do not listen
to a continuous transmission.
Even though some earphones
or headphones let you hear
some outside sounds when
listening at normal volume
levels, they still can present a
traffic hazard.
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