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A Video switcher enables a user to select between several different video sources. Its main function is to provide multiple video signal sources that can share one display screen. These switchers are designed for applications where multiple high resolution computer video signals must be switched between one displays. They help in maintaining picture quality and resolution. Each image appears crisp and clear as though it is directly connected to the original source. The video switcher sizes can vary from two video inputs and one video output to sixteen video inputs and one video output. It supports a video resolution of up to 1900 x 1200. There are a variety of choices available to users as far as Video switchers are concerned. Recently, the most popular option amongst these is the HDMI Switcher. They enable 2, 3, 4 or 5 computers with HDMI to output video to one HDMI display. These switchers are compatible with any HDMI equipped and HDCP enabled HDTV devices. Besides the high quality images HDMI supports, the main advantage of this switch is that it uses only a single cable, which transmits both audio and video, to connect from the HDMI video source to the HDMI/HDTV video display. The HDMI Switchers operate via a simple push button control or via Infra red remote control. This switch easily solves the problem of insufficient HDMI inputs. By using these video switchers, people are no longer bound by the problem of limited HDMI connectivity. Some HDMI switch units also act as a matrix switch splitter allowing for multiple inputs to switch between multiple outputs. The VGA Switcher is available in 2, 4 and 8 port units and can be cascaded for larger applications. The control of these switchers is typically done via push buttons on the front of the unit although some models are available with an Infra Red remote control or an RS232 option. These switches help in switching video from multiple VGA video sources to one VGA display device via standard VGA cables. They support high resolution up to 1920x1440 @ 60Hz. The VGA switcher eliminates the need for redundant monitors saving you valuable space and money. The Video switcher is ideal in places where information from many computers is being presented. It is widely used in the commercial or educational arena or in training facilities as well as board rooms where presentations need to be made.
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