10
Scanner Setup
Warning:
Do not connect a charging adapter to
the scanner if non-rechargeable batteries (such as
alkaline batteries) are installed in the scanner and
the switch is set to Ni-MH, or if you are unsure of
the switch’s position.
Connecting Headphones
For private listening, you can plug headphones
(not included) into the headphone jack on top of
your scanner. This automatically disconnects the
internal speaker. Note that the sound is not in
stereo.
Listening Safely
To protect your hearing, follow these earphone or
headphones guidelines:
•
Do not listen at extremely high volume
levels. Extended high-volume listening can
lead to permanent hearing loss.
•
Set the volume to the lowest setting before
listening. Turn on the scanner, and adjust
the volume to a comfortable level.
•
After 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.
•
Even though some earphones/headphones
let you hear some outside sounds when
listening at normal volume levels, they still
can present a traffic hazard.
Understanding Your Scanner
We use a few simple terms in this manual to
explain the features of the scanner. Familiarize
yourself with these terms and the scanner’s
features, and you can put the scanner to work for
you right away.
Summary of Contents for 20-135
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