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20-566.fm Page 16 Thursday, August 5, 1999 8:04 AM
Connecting an Optional Antenna
The
jack on the top of the scanner makes it easy to
ANT
use the scanner with a variety of antennas. Instead of the
supplied antenna, you can attach a different one, such as
an external mobile antenna or outdoor base station anten-
na. Your local RadioShack store sells a variety of anten-
nas.
Always use 50-ohm coaxial cable, such as RG-58 or RG-
8, to connect an outdoor antenna. For lengths over 50
feet, use RG-8 low-loss dielectric coaxial cable. If your an-
tenna's cable does not have a BNC connector, you will
also need a BNC adapter (also available at your local Ra-
dioShack store).
Follow the installation instructions supplied with the anten-
na, route the antenna cable to the scanner, then connect
it to the
jack.
ANT
Warning: Use extreme caution when installing or remov-
ing an outdoor base station antenna. If the antenna starts
to fall, let it go! It could contact overhead power lines. If the
antenna touches a power line, contact with the antenna,
mast, cable or guy wires can cause electrocution and
death! Call the power company to remove the antenna. Do
not attempt to do so yourself.
CONNECTING AN EARPHONE/
HEADPHONES
For private listening, you can plug an earphone or mono
headphones (available at your local RadioShack store)
1
with a
/
-inch plug into the
jack on top of your scan-
8
ner. This disconnects the internal speaker.
16
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