Extron electronics System 8 Plus User Manual page 74

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Reference
Strike – In the Audio/Video business, this is the tearing down of an installation or show.
Sync – In video, a means of synchronizing signals with timing pulses to insure that each
S-VHS – (Super-Video Home System) A high band video recording process for VHS that
S-Video – The video signal is separated into the Luminance (Y, black and white
Switcher – In audio/video, a means of selecting an input source and connecting it to an
System Switcher – A switching device that communicates with other components in a system. For
Terminal – A device typically having a keyboard and display that is capable of sending text
Termination – A load, or impedance at the end of a cable or signal line used to match the
Touch Panel – A control panel with a flat surface with areas (usually marked off) that act as
Video Converter – See Scan Converter.
Vertical Interval – The synchronizing information which is presented between fields, and then
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step in a process occurs at exactly the right time. For example: Horizontal Sync
determines exactly when to begin each horizontal line (sweep) of the electron
beam. Vertical Sync determines when to bring the electron beam to the top-left
of the screen to start a new field. There are many other types of sync in a video
system. (Also called Sync Signal or Sync Pulse.)
increases the picture quality and resolution capability. See S-Video.
information) and the Chrominance (C, color information).
output device or a system. Also see Matrix Switcher.
example, with communications between a switcher and a projector, the
projector's remote control can command the switcher to change inputs. Also, the
projector can be turned on/off by a command from the switcher.
to and receiving text from another device, a network, etc.
impedance of the equipment that generated the signal. The impedance absorbs
signal energy to prevent signal reflections from going back toward the source. In
the video industry, termination impedance is typically 75 ohms.
Tint – See Hue.
switches, or controls. May also be called "Touch Screen".
V– Vertical (as in RGBHV), or the Vertical Sync connector on a panel. This is used
when the sync is separated into Horizontal and Vertical components.
signals the picture monitor to return to the top of the screen to start another
vertical scan.
Y – In S-Video, "Y" is an abbreviation for Luminance. ("C" is for chrominance.)
Z – A symbol for impedance.
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Glossary of Terms
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Extron • System 8/10 P
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• User's Manual