Radio Shack TV Antenna U 75R User Guide

15-2160.fm Page 1 Friday, April 28, 2000 5:47 PM  
U-75R UHF Antenna  
OWNER’S MANUAL — Please read before using this equipment.  
Using Coaxial Cable  
BEFORE YOU BEGIN  
Main  
Boom  
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.  
Strain-Relief Tab  
Lead-In  
F-Connector  
Terminals  
Weather Boot  
Spade  
Terminals  
Flat Washers  
Large  
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.  
Matching  
Transformer  
Wing Nuts  
If you plan to add this antenna to a VHF antenna’s mast, refer  
to “Adding the UHF Antenna to a VHF Antenna Installation” on  
Page 2 for instructions. This type of setup requires twin-lead  
cable. See “Using Twin-Lead Cable” to connect the cable to  
your antenna. If you are connecting this UHF antenna directly  
to your TV, follow these steps to make this connection using  
coaxial cable.  
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.  
1. Thread a matching transformer’s spade terminals through  
the antenna’s strain-relief tab. (Matching transformers are  
available at your local RadioShack store.)  
Note: To access the mast clamp holes, move the antenna’s  
elements out of the way as needed.  
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.  
U-Bolt  
Mast Clamp  
3. Screw the cable’s F-connector onto the matching trans-  
former.  
Main Boom  
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.  
Lock Nuts  
Backup Plate  
Using Twin-Lead Cable  
2. Press the supplied large end plugs into the main boom.  
Main  
Boom  
CONNECTING LEAD-IN CABLE  
TO THE ANTENNA  
Twin-Lead Cable  
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.)  
Lead-In Terminals  
Strain-Relief Tab  
Flat Washers  
Large  
Wing Nuts  
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.  
To connect flat, twin-lead cable to your antenna:  
1. Split one end of the twin-lead cable for a length of about 3  
1
inches. Then strip about /2 inch of insulation from both  
leads.  
2. Thread the stripped leads through the antenna’s strain-  
relief tab.  
© 1997, 2000 Tandy Corporation.  
All Rights Reserved.  
RadioShack and RadioShack.com are trademarks used by Tandy Corporation.  
 
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6. Wrap each lead of the twin-lead cable around one of the  
VHF antenna’s lead-in terminals (on both sides of the  
boom).  
ROUTING THE CABLE TO YOUR TV/VCR  
If you use coaxial cable:  
Twin-Lead Cable  
to UHF Antenna  
• Use plastic tape or mast standoff insulators to secure the  
coaxial cable to the mast at about 3-foot intervals. Continue  
down the roof and the side of the house using roof and wall  
standoff insulators.  
VHF Antenna’s  
Lead-In Terminal  
• Use coaxial cable nail-in clips every few feet to secure the  
cable between the mast and where the cable enters the  
house.  
Flat Washers  
• Use a 75-ohm grounding block at the point where the coax-  
ial cable enters the house. Read the Consumer Product  
Safety Commission sheet for grounding instructions.  
LargeWing  
Nuts  
7. Replace the spade terminals (if removed in Step 5), flat  
washers, and large wing nuts.  
• Use a wall-through lead-in tube (not supplied) to neatly  
route the coaxial cable through walls.  
Note: In some locations, you might need to use an indoor/out-  
door 300-ohm splitter/combiner (available at your local Ra-  
dioShack store) to receive a satisfactory picture on your TV.  
If you use twin-lead cable:  
• Be sure the twin-lead cable remains at least 4 inches away  
from all metal surfaces.  
• Use standoff insulators about every 4 feet. Twist the twin-  
lead cable about three turns between standoff insulators.  
• Read the separate Consumer Product Safety Commission  
sheet for grounding instructions.  
CONNECTING TO YOUR TV/VCR  
Connect the antenna’s lead-in cable to your TV/VCR’s antenna terminals according to the type of cable you used. RadioShack car-  
ries a variety of matching transformers, if one of these suits your needs. Below are some sample connections.  
Make connections as described if you have:  
• Coaxial antenna lead-in  
Connect to TV/VCR’s  
300-Ohm Screw Terminals  
• Twin-lead TV/VCR antenna terminals  
RadioShack  
Indoor/Outdoor  
Matching Transformer  
Cat. No. 15-1140  
Connect  
Coaxial Lead-In  
from Antenna  
Make connections as described if you have:  
• Coaxial antenna lead-in  
Connect to TV/VCR’s  
75-Ohm F-Connector  
• Coaxial TV/VCR antenna terminal  
Coaxial Lead-In  
from Antenna  
3
 
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Make connections as described if you have:  
• Twin-lead antenna lead-in  
ConnecttoTV/VCR’s  
75-Ohm F-Connector  
• Coaxial TV/VCR antenna terminal  
RadioShack  
Connect Twin-Lead  
Lead-In from Antenna to  
Screw Terminals  
Matching Transformer  
Cat. No. 15-1253  
Make connections as described if you have:  
• Twin-lead antenna lead-in  
Connect to TV/VCR’s  
300-Ohm Screw Terminals  
• Twin-lead TV/VCR antenna terminals  
Twin-Lead Lead-In  
from Antenna  
Limited Ninety-Day Warranty  
This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for ninety (90) days from the date of purchase from Ra-  
dioShack company-owned stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES  
AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE DU-  
RATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY  
TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PER-  
FORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM IN-  
CONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF  
RadioShack HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.  
Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages, so the above limitations or exclu-  
sions may not apply to you.  
In the event of a product defect during the warranty period, take the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store. RadioShack  
will, at its option, unless otherwise provided by law: (a) correct the defect by product repair without charge for parts and labor; (b) replace the product with one of the same or sim-  
ilar design; or (c) refund the purchase price. All replaced parts and products, and products on which a refund is made, become the property of RadioShack. New or reconditioned  
parts and products may be used in the performance of warranty service. Repaired or replaced parts and products are warranted for the remainder of the original warranty period.  
You will be charged for repair or replacement of the product made after the expiration of the warranty period.  
This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse, accident, misuse, improper or abnormal usage, failure to follow instructions,  
improper installation or maintenance, alteration, lightning or other incidence of excess voltage or current; (b) any repairs other than those provided by a RadioShack Authorized  
Service Facility; (c) consumables such as fuses or batteries; (d) cosmetic damage; (e) transportation, shipping or insurance costs; or (f) costs of product removal, installation, set-  
up service adjustment or reinstallation.  
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.  
RadioShack Customer Relations, 200 Taylor Street, 6th Floor, Fort Worth, TX 76102  
We Service What We Sell  
12/99  
RadioShack  
A Division of Tandy Corporation  
Fort Worth, Texas 76102  
15-2160  
04/00  
Printed in the USA  
 

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