Radio Shack PRO-71 - Manual (Page 13)

13
CONNECTING THE ANTENNA
Follow these steps to attach the supplied flexible
antenna to the connector on the top of your scan-
ner.
1. Align the slots around the antenna’s connec-
tor with the tabs on the jack.
2. Press the antenna down over the jack and
rotate the antenna’s base clockwise until it
locks into place.
Connecting an Optional Antenna
The antenna connector on your scanner makes it easy to use the scan-
ner with a variety of antennas. Instead of the supplied antenna, you
can attach an external mobile antenna or outdoor base antenna (for
example). Your local RadioShack store sells a variety of antennas.
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 di-
electric coaxial cable. If your antenna’s cable does not have a BNC
connector, you will also need a BNC adapter (available at your local
RadioShack store).
Warning: When you install an outdoor antenna, use extreme cau-
tion. If the antenna starts to fall, let it go! It could contact overhead
power lines. If the antenna touches the 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 at-
tempt to remove it yourself!
20-311a.fm Page 13 Friday, February 12, 1999 4:51 PM