![]() CCTV systems may operate continuously or only as required to monitor a particular event. In industrial plants, CCTV equipment may be used to observe parts of a process from a central control room, for example when the environment is not suitable for humans. Though almost all video cameras fit this definition, the term is most often applied to those used for surveillance in areas that may need monitoring such as banks, casinos, airports, military installations, and convenience stores. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point to point (P2P), point to multipoint, or mesh wireless links. "Closed-circuit television (CCTV) is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors. The vector stencils library Video surveillance contains 15 symbols of electronic closed-circuit television (CCTV) equipment, digital video cameras and recording devices and covert video equipment. ![]()
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