Radio Shack VU-75XR owner manual Before You Begin, Assembling The Antenna, Using Coaxial Cable

15-2151.fm Page 1 Wednesday, April 26, 2000 8:25 PM

VU-75XR VHF/UHF/FM Antenna with Matching Transformer

OWNER’S MANUAL — Please read before using this equipment.

BEFORE YOU BEGIN

Before you begin installation, read this manual and the sepa- rate Consumer Product Safety Commission information sheet. For your safety and convenience, plan each step of the installa- tion and purchase the necessary hardware in advance. The hardware required and the order in which you perform the 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. Do not attempt to remove it yourself.

Using Coaxial Cable

Lead-In Terminal		Spade Terminals
Main		Strain-Relief Tab
Boom
		Flat Washers
Weather Boot		Large
	Matching	Wing Nuts
F-Connector	Transformer

To connect coaxial cable to your antenna:

1.Thread the supplied matching transformer’s spade termi- nals through the antenna’s strain-relief tab.

ASSEMBLING THE ANTENNA

Assemble the entire antenna on the ground.

1.Use the supplied hardware to loosely attach the supplied mast clamp assembly to the main boom, as shown.

Note: To access the mast clamp holes, move the antenna’s elements out of the way as needed.

U-Bolt

Mast Clamp

Main Boom

Backup Plate Lock Nuts

2. Press the supplied large end plugs into the main boom.

CONNECTING LEAD-IN CABLE

TO THE ANTENNA

We recommend RG-6 cable and, if you prepare your own ca- ble, a quality F-connector. You can also use 300-ohm flat, twin- lead cable. (RadioShack carries a variety of suitable cables and connectors.)

Note: If you prepare your own coaxial cable, be sure to slide the supplied matching transformer’s weather boot onto the ca- ble before you attach the F-connector.

2.Slide the spade terminals around the antenna’s lead-in ter- minals (on both sides of the boom), then secure them with the supplied flat washers and large wing nuts.

3.Screw the cable’s F-connector onto the matching trans- former.

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

Lead-In Terminal
Main	Strain-Relief Tab
Boom
	Flat Washers
Twin-Lead Cable	Large
	Wing Nuts

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 strain- relief tab.

3.Wrap each lead around one of the antenna’s lead-in termi- nals (on both sides of the boom). Be sure there is enough slack between the strain-relief tab and the antenna termi- nals to prevent stress on the cable or the terminals.

4.Secure the leads with the supplied flat washers and large wing nuts.

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