Most cable and satellite television providers bring the programming signal into your home with the aid of a receiver box. This box unscrambles the digital signal, then sends the audio/video information to your television. Because these receivers have only one tuner installed, you are only able to hook up one TV through the built-in connections; however, with the aid of a TV channel splitter it is possible to directly connect many different TVs if you want multiple televisions to display the audio/video content.
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Connect a coaxial cable into the "Out" port on the rear of the digital receiver box. Insert the other end of the cable into the "In" port on the TV channel splitter. Splitters vary with the number of "Out" ports, so find one that has the same number of connections as televisions you want hooked up.
Attach the two remaining coaxial cables into the "Out" ports on the TV channel splitter. (This is for hooking up two different televisions, but if you want four TVs hooked up, use four coaxial cables into the "Out" ports.)
Connect the opposite end of each coaxial cable into the "In" port on the rear of each television.
Power on the digital converter box and the connected TV, then select station "3" and the cable/satellite programming loads onto the screen.