**These boxes could decode only CC1 (captions in the primary language) and CC2 (data that augments information carried in the program) basic captions. *All boxes convert basic captions on the digital signal so that they can be viewed using the settings on an analog TV. Retains caption settings when powered off? This way the viewer would be able to use the advanced features of 708 captions. Most converter boxes have the ability to decode the captions themselves, meaning that the viewer could use the settings on the converter box to turn on the captions.
A DTV broadcaster may also include advanced digital ("advanced" or "708") captions, which can have additional features such as customizable fonts, colors, sizes and screen positions. All captioned programs must include the basic analog-equivalent ("basic" or "608") captions. CLOSED CAPTION FEATURESīroadcasters can transmit closed captions in two formats. The FCC does not endorse any particular product or product manufacturer. The features described in this advisory include features of particular interest to the disabilities community, as recommended by the Commission’s Consumer Advisory Committee. Converter boxes are to be used with your analog television to receive digital signals broadcast for free over-the-air to your antenna. The Federal Communications Commission has prepared this Consumer Advisory on selected features in 41 digital-to-analog converter boxes that it has purchased.
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