Radio Shack VU-210XR User Manual
15-2157a.fm Page 1 Wednesday, April 26, 2000 7:38 PM
VU-210XR VHF/UHF/FM Antenna with Matching Transformer
OWNER’S MANUAL — Please read before using this equipment.
Your RadioShack VHF/UHF/FM Antenna performs better than
standard antennas because of its special design features.
UHF Bowtie — delivers more of the UHF signal to your TV.
Since UHF signals are more difficu lt to receive than VHF signals, this antenna gives UHF signals the extra boost they need.
VHF/UHF Isolation Network — prevents the two types of TV
signals from interfering with each other. This results in cleaner
signals and a better picture on your TV.
BEFORE YOU BEGIN
Before you begin installation, read this manual and the separate Consumer Product Safety Commission information sheet.
For your safety and convenience, plan each step of the inst allation and purchase the necessary hardware in advance. The
hardware required and the order in which you perform th e steps
depend on the mounting and connection method you choose.
Warning: When you install your antenna, use extreme caution.
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.
not attempt to remove it yourself.
Do
2. Use the supplied hardware to loosely attach one of the supplied mast clamp assemblies to the main boom, as shown.
U-Bolt
Mast Clamp
Main Boom
Backup Plate
Lock Nuts
3. Attach the other mast clamp assembly to the cradle boom.
(Be sure it faces the same direction as the main boom’s
mast clamp assembly, shown above.) Fold out the two sets
of metal support straps on the cradle boom and attach
them to the corresponding holes on the main boom using
the two supplied 1
Metal Support
Straps
1
/2-inch screws and large wing nuts.
Main Boom
Metal Support
Straps
ASSEMBLING THE ANTENNA
Assemble the entire antenna on the ground.
1. Use the supplied hardware to assemble the two main boom
sections, as shown. If necessary, lift one end of the main
boom so the crossover wires reach the threaded posts.
Note: To access slots or holes during assembly, move the
antenna’s elements out of the way as needed.
Large Wing Nuts
1
1
/2-Inch
Crossover
Wires
Screws
Threaded
Posts
Flat
Washers
Splint
Large Wing Nuts
Mast Clamp
Assemblies
Cradle Boom
4. Press the supplied large end plugs into the main boom and
the cradle boom.
5. Pull the UHF bowtie’s two halves away fr om the main b oom
until they lock into place. Then slide each half’s unattached
end over one of the antenna’s lead-in terminals (one for
each half of the UHF bowtie on each side of the boom).
UHF/VHF
Isolation Network
UHF Bowtie Lead-In Terminal
Note: Both sections of the UHF/VHF isolation network
should remain parallel to the main boom.
CONNECTING LEAD-IN CABLE
TO THE ANTENNA
We recommend RG-6 cable and, if you prepare your own cable, a quality F-connector. You can also use 300-ohm flat, twinlead cable. (RadioShack carries a variety of suitable cables and
connectors.)
2000 Tandy Corporation.
©
RadioShack is a registered trademark used by Tandy Corporation.
RadioShack.com is a trademark used by Tandy Corporation.
All Rights Reserved.
15-2157a.fm Page 2 Wednesday, April 26, 2000 7:38 PM
Note: If you prepare your own coaxial cable, be sure to slide
the supplied matching transformer’s weather boot onto the cable before you attach the F-connector.
Using Coaxial Cable
Lead-In Terminal
Spade Terminal
Strain-Relief Tab
Matching Transformer
Lead-In Terminal
F-Connector
Weather Boot
To connect coaxial cable to your antenna:
1. Thread the supplied matching transformer’s spade terminals through the antenna’s strain-relief tab.
2. Slide the spade terminals around the antenna’s lead-in terminals (on both sides of the boom), then secure them with
the supplied flat washers and large wing nuts.
Main
Boom
Spade Terminal
Flat Washers
Large Wing Nuts
UNFOLDING THE ANTENNA’S ELEMENTS
1. Hold the main boom’s elements near the pivot points and
pull them away from the boom until they snap into the selflocking plastic support insulators.
Caution: To avoid damage to the elements, do not pull
them near their outer ends. Once the elements are locked
into position, do not attempt to unlock them. Doing so might
break the self-locking tabs.
2. Hold each wing boom and turn its elements until they snap
squarely into place (perpendicular to the boom).
3. Press the supplied small end plugs into the wing booms.
4. Bolt the triangular wing boom brackets onto the main boom
using the supplied 1
shown.
Wing Boom
Brackets
1
/2-inch screw and small wing nut, as
11/2-Inch
Screw
3. Screw the cable’s F-connector onto the matching transformer.
4. Slip the weather boot over the connection. If you use a
rebuilt cable without a weather boot, cover the connection
with weather-resistant tape.
Using Twin-Lead Cable
Main
Boom
Lead-In Terminal
Twin-Lead Cable
Strain-Relief Tab
To connect flat, twin-lead cable to your antenna:
1. Split one end of the twin-lead cable for a length of about 3
inches. Then strip about
1
/2 inch of insulation from both
leads.
2. Thread the stripped leads through the antenna’s strainrelief tab.
3. Wrap each lead around one of the antenna’s lead-in terminals (on both sides of the boom). Be sure there is enough
slack between the strain-relief tab and the antenna terminals to prevent stress on the cable or the terminals.
Lead-In Terminal
Flat Washers
Large Wing Nuts
Main Boom
Small Wing Nut
5. Insert the top and bottom wing booms into the wing boom
brackets. Secure them with the four supplied 1
1
/4-inch
screws and small wing nuts, as shown.
Top Wing Boom
Wing Boom
Brackets
11/4-Inch
Screws
Small Wing Nuts
Bottom Wing Boom
ATTACHING TO THE MAST
We recommend that you enlist the help of another person before you put up the mast or attach your antenna to it. How you
set up your mast depends on your specific installation. Refer to
the separate Consumer Product Safety Commission information sheet for recommended methods.
1. Slide the antenna’s mast clamp assembly over the end of
the mast.
2. Tighten the mast clamp assembly’s lock nuts to hold the
antenna in place. Do not overtighten the lock nuts.
4. Secure the leads with the supplied flat washers and large
wing nuts.
Caution: The crossover wires must not touch the antenna
boom, the mast, or each other. If necessary, carefully bend
2
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