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ARCHITECTURAL LAMP
A type of linear filament lamp with contacts at 90 degrees to the filament which can gives the appearance of a continuous line of light (similar to neon, but dimmable).
ARCLINE
A colored plastic tube containing a number of small strobe units which, when triggered, flash in sequence down the tube. Many tubes can be connected together.
ARRI
German/US manufacturer of film lighting and cameras (Arriflex). Founded in 1917. Previously, Arri made a range of lighting desks (including Imagine, Impulse, Mirage, Microlux) which were early versions of desks now produced by ETC. ETC took over the lighting control side of Arri in 1995.
ARTISAN
Moving light control console made by VariLite.
ARTNET
Ethernet-based lighting control protocol, developed by Artistic Licence. ArtNet can carry up to 256 DMX512 universes on the ethernet saving on cable runs. With the development of wireless networking the possibilities are endless.
ASHRAE/IESNA STANDARD 90.1-1999
An industry benchmark of energy application standards for buildings created by the American Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE) and the Illuminating Engineering Society of North America (IESNA).
ASYMMETRIC LIGHT DISTRIBUTION
A light distribution pattern in which lumen output is directed more strongly toward one side than another.
ATTRIBUTES
The controllable parameters of a moving light are known as the ATTRIBUTES. All moving lights will have pan & tilt, with many having color wheels, gobo selection, gobo rotation etc. as additional attributes.
AUTO PATTERNS/PROGRAMS
The lighting controller will step through its stored lighting patterns or programs automatically.
AUTOMATED FIXTURE
A lighting fixture in which some functions have been electronically or mechanically automated. Common automated functions include: color change, beam movement, shutter, iris, and gobo change, as well as internal dimming capabilities. Completely automated fixtures may also include many other effects and functions. Automated fixtures break into two main categories: moving mirror, and moving yoke. Combined with sophisticated computer control, data distribution systems, and trained operator/programmers, these lighting systems provide enormous flexibility in creating dynamic lighting images.
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