NOTE: An animated battery icon provides an indication that the battery char-
ger circuit is active. If you set Alkaline in battery type selection , and you use
rechargeable battery holder with rechargeable battery, the battery charger
circuit is active and animated battery icon does not appear.
Listening Safely
To protect your hearing, follow these guidelines when you use headphones.
Set the volume to zero before putting on headphones. With the headphones
on, adjust the volume to a comfortable level.
Avoid increasing the volume once you set it. Over time, your sensitivity to
a volume level decreases, so volume levels that do not cause discomfort
might damage your hearing.
Avoid or limit listening at high volume levels. Prolonged exposure to high
volume levels can cause permanent hearing loss.
Traffic Safety
Wearing headphones while operating a motor vehicle or riding a bicycle can
create a traffic hazard and is illegal in most areas.
Even though some headphones let you hear some outside sounds when
listening at normal volume levels, they still can present a traffic hazard. Exer-
cise extreme caution!
Connecting an Optional External Antenna
The antenna connector on your scanner makes it easy to use the scanner
with a variety of antennas, such as an external mobile antenna or outdoor
base station antenna.
Always use 50-ohm coaxial cable, such as RG-58 or RG-8 low-loss dielectric
coaxial cable. If your antenna's cable does not have a BNC connector, you
will also need a BNC adapter. Follow the installation instructions supplied
with the antenna, route the antenna cable to the scanner, then connect it to
the antenna jack.
WARNING: Use extreme caution when installing or removing an outdoor an-
tenna. If the antenna starts to fall, let it go! It could contact overhead power
lines. If the antenna touches a power line, touching the antenna, mast,
cable, or guy wires can cause electrocution and death. Call the power com-
pany to remove the antenna. DO NOT attempt to do so yourself.
WARNING: Outdoor antennas must be properly grounded to prevent static
buildup and lightning damage. Article 810 of the National Electrical Code,
ANSI/NFPA 70, provides information about proper grounding of the antenna
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