Tech Terms Glossary
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Gen-lock (Generator lock): A method used to synchronize one or more cameras by external means such as: composite video, composite sync, horizontal or vertical sync.
Ghost: A shadowy or weak image in the received picture, offset either to the right or to the left of the primary image. It is the result of transmission conditions where secondary signals are created and received earlier or later than the primary signal.
GPS (Global Positioning System) SATELLITES: The array of geostationary satellites maintained by the U.S. government to beam back position-locating information as an aid to navigation. A vehicle navigation system integrates this information with a CD-ROM-based road map system to help drivers locate their position, straightline distance to their destination, and best route.
Ground: An electrical connection point that is common to either a metal chassis, a terminal, or a ground bus.
Ground Loop: Caused by different earth potentials in a system. Usually results in increased noise, interference and/or signal distortion.
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