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Scanners - A scanner is an intelligent light that uses a mirror to perform a large variety of effects and operations while the fixture itself remains stationary. Scanners are generally remotely controlled by a l. Used . ighting control console, but some can be preprogrammed. A single scanner can replace the functions of many conventional lights and can often perform tasks conventional lights can not. Most m. Used . odern scanners utilize DMX-512 signals for control, but some can be controlled by way of analog signals as well. ...

Color Changers - A conventional lighting fixture with a remotely controlled colored changeable filter over the lens. There are three kinds of mechanisms used in color changers, a wheel with lens sized holes into which. Used . colored gells can be placed, multiple fixed filters that can be moved in and out of the beam to mix the colors and a scroller which uses continuous, usually dichroic, filters to mix an even . Used . greater number of colors.



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House Lights - House lights are incandescent or fluorescent floodlights. House lights provide light for the audience before and after performances and during intermissions. Work lights provide general lighting backs. Used . tage, or in the house. House lights are often controlled by dimmers, but are sometimes on simple switches. Work lights are almost always switched only. House and work lights are usually off d. Used . uring performances but are occasionally included in the lighting design to establish focus or emphasize plot elements. ...

Polarity - The polarity of an object is, in general, its physical alignment. The term is often used to describe the positive and negative ends of batteries and magnets.

In cell biology, polarity ref. Used . ers to cells not being point-symmetrical in their spatial organization. This is particularly evident for cells organized in single cell layers that separate organs or subcompartments in organ. Used . isms.

In chemistry, molecular polarity refers to the dipole-dipole intermolecular forces between the slightly positive end of one molecule to the negative end of another or the same molecule. Mole...

DMX-512 - DMX512, often shortened to DMX (Digital MultipleX), is a communications protocol used mainly to control stage lighting.

Developed by the Engineering Commission of USITT, the standard star. Used . ted in 1986, with subsequent revisions in 1990 leading to USITT DMX512/1990. ESTA took control of the standard in 1998 and began a revision process. The new standard, known officially as "Ent. Used . ertainment Technology — USITT DMX512–A — Asynchronous Serial Digital Data Transmission Standard for Controlling Lighting Equipment and Accessories", was approved by ANSI in November, 2004. This current standar...