Digital TV Glossary - R

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Digital TV terms defined on this page:
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• Red button
• RF loop
• RF modulator
• Rooftop aerial

On your remote control, used for selecting interactive services and Teletext.
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RF loop

A connection allowing users to connect the aerial signal to one device and then further by another connector.
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The “aerial out” socket on your TV is an RF modulator. Some set-top boxes have an RF Modulator, as well as a scart socket, allowing you to connect them to an older TV.
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A TV aerial situated on the roof of your house.
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