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Promoted item:Scientific Atlanta Explorer Cable Boxes 4200HD Lot of 2 Cablevision

Scientific Atlanta Explorer Cable Boxes 4200HD Lot of 2 Cablevision

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  • Scientific Atlanta
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About Scientific Atlanta Explorer 4200

Scientific Atlanta is part of the Cisco Company. Scientific Atlanta was founded in 1951 by a group of engineers from the Georgia Institute of Technology, while Cisco's founders were computer scientists from Stanford University who started the company in 1984. Scientific Atlanta provides cable operators with a powerful mix of Explorer digital interactive set-tops home gateways, and digital video records. The set-top box (STB) describes a device that connects to a television and some external source of signal, and turns the signal into content then displayed on the television screen. A set-top box does not necessarily contain a tuner of its own. A digital set-top box is needed for receiving digital TV broadcasts, because the vast majority of TV sets do not yet have such a tuner. The set-top is used for decoding Pay TV. The Explorer 4200HD Home Gateway decodes all 18 ATSC digital formats, including the 6 high-definition formats for HDTV. All standard-definition digital formats and all analog video services are decoded as well. This comprehensive level of decoding capability in one set-top box enables cable operators to quickly scale both analog and digital HDTV video services. The 4200HD can output video to the HDTV display in four resolutions: 480i, 480P, 720P, and 1080i. These resolutions, or scan rates, allow consumers to select the scan rate best suited for their HDTV set. Consumers can also stretch and zoom the video picture to maximize its viewable area on the HDTV display.