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Mounting the Force Television Antenna
TV signals are transmitted either vertically or horizontally. It is important to find out which way to mount the antenna. Usually TV antennas on houses near you are mounted to suit your area. See Step 7, Figs. 11 & 12 for horizontal and vertical antenna mounting.
To mount your antenna, orient folded poles to horizontally or vertically to suit your VHF signal. Then assemble main plates to suit your UHF signal.
Test different places and heights to find the best position for your antenna. Antenna are affected by metal and radiating equipment in your environment. Mounting the antenna inside should work if you have a reasonable signal. The antenna can be mounted inside a roof cavity, but this may be difficult if the folded poles are aligned vertically.
Focusing the antenna
It is important to face the antenna towards incoming signals. To test the reception, point the front plate on your antenna in the direction of the transmitter and move the antenna up and down to find the optimal height.
To find the best reception, you may need to slowly turn the antenna 360 degrees, and check reception until your TV picture is clear. Then find the weakest channel and repeat the focusing procedure.
To boost recepton for FM Radio, connect to a dual impedance (75 ohm 50 ohm) splitter and run insulated wires to your radio and 75 ohm cable to your TV. Alternatively, a normal two way 75 ohm splitter will frequently suffice.
Ghosting on your TV screen
Ghosting is the result of secondary signals bouncing off metal objects and arriving on your antenna at a different time to the main signal. To overcome the problem first try moving the antenna up and down. If this does not work, try another position.
Tuning your TV or VCR Set top box
TV Broadcast channels range from 1 to 69 and cover the frequency spectrum of VHF/UHF. Your area uses this system, and could be serviced by either a repeater transmitter or a main transmitter.
TV stations can be transmitted to you on any one of the 69 TV broadcasting channels.
It is important that you scan through both VHF and UHF tuning on your TV set. The antenna may pick up a channel from a repeater elsewhere but this will not be as clear as the local broadcast. You should always choose the clearest stations.
Weak reception and signal losses
Poor reception is often caused by cable losses. The cable used for TV is 75 ohm coax, and should be in good condition and no less than RG6. Ensure your cables are as short as possible and that cable joints are sound. Avoid sharp angle cable bends or running the cable parallel to other cables.
Where possible, run a cable directly from your antenna to your main TV viewing room. Distribution through the rest of the house can be done with a splitter box from that point. Where you have only enough signal strength to run one TV set, an amplified distribution box should be used in place of a splitter box.
Where the channel quality is weak at the first TV, a masthead amplifier should be installed. This will overcome any cable losses. A power outlet near your first TV will provide power to the masthead amplifier through the cable. If you use a splitter box it cannot be installed between the amplifier and the power source.
A broadband masthead amplifier is required with the antenna. The cable from the antenna must terminate at a masthead amplifier connection labelled VU. If you connect to just a V or a U labelled connection you will filter out half of your signal spectrum.
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