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The Hopper provides standard television functionality, including an electronic program guide, picture-in-picture support, and digital video recorder functionality. [1] The "Primetime Anytime" feature uses one of the three tuners on the unit to automatically record primetime programming being broadcast by the four major U.S. television networks (ABC, CBS, NBC, and Fox) and presents them in a ...
An analog Nagravision system (Syster) for scrambling analog satellite television programs was used in the 1990s.In this line-shuffling system, bottom 32 lines of the PAL TV signal are shifted in time by one video field, and read out in permuted order under the control of a pseudorandom number generator.
Both a standard receiver and a receiver with built-in digital video recorder (DVR) were available to subscribers. [83] The DISH Network ViP722 HD DVR replacement for the ViP622 received generally positive reviews. [84] It could record up to 350 hours of standard-definition (SD) broadcasts, or 55 hours of high-definition (HD).
A typical modern set-top box, along with its remote control - pictured here a digital terrestrial TV receiver by TEAC. A set-top box (STB), also known as a cable box, receiver, or simply box, and historically television decoder or a converter, [1] is an information appliance device that generally contains a TV tuner input and displays output to a television set, turning the source signal into ...
For example, master keyed pin tumbler locks often have two shear points at each pin position, one for the change key and one for the master key. A far more secure (and more expensive) system has two cylinders in each lock, one for the change key and one for the master key. Master keyed lock systems generally reduce overall security. [2]
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The receiver uses the DiSEqC protocol to control the LNB mode, which handles this. [19] If several satellite receivers are to be attached to a single dish a so-called multiswitch must be used in conjunction with a special type of LNB. [19] There are also LNBs available with a multi-switch already integrated. [19]
A satellite dish is a dish-shaped type of parabolic antenna designed to receive or transmit information by radio waves to or from a communication satellite. The term most commonly means a dish which receives direct-broadcast satellite television from a direct broadcast satellite in geostationary orbit .