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| The circuit can be composed of one or more cameras connected to one or more monitors. |
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| To improve the system, are usually connected directly or via network link other components such as VCRs or computers. |
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| The cameras can be controlled remotely from a control room, where you can set your pan, focus, tilt and zoom. |
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These systems include night vision, computer-assisted operations and motion detection, which facilitates the system be on alert when something moves in front of cameras. |
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| Closed Circuit TV is a video surveillance technology designed to monitor a variety of environments and activities. |
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It is called closed loop because, unlike what happens with the media, all components are linked. |
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| Moreover, unlike conventional television, this is a system designed for a limited number of spectators. |
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