Alpha Spot HPE 300

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Joule - A term in the international system for a unit of electrical, mechanical, and thermal energy equal to the work done when a current of one ampere is passed through a resistance of one ohm for one second. Used . . Surge protectors are often given joule ratings, but this rating refers only to the amount of energy they can absorb, not what gets through. Its value was calculated originally by James Pr. Used . escott Joule, but the term was first introduced by Dr. Mayer of Heilbronn....

Power Distro - A power distro send power evenly and appropriately to various staging and rigging equipment to insure there is enough power to properly run the various equipment.. Used . . Used . ...

Zone System - A unique method introduced by photographers Ansel Adams and Fred Archer around 1940 for determining the best exposure and correct development for an individual photograph by way of analysiing the subj. Used . ects luminosities in terms of ten gray tones or “zones” labled 0 to IX or zero to nine and visualizing them as print densities. The zone system gives photographers a systematic method for ac. Used . curately identifing the relationship between the way they see the photographic subject and the results they achieve in their finished works....

Backlight - Light that comes from the upstage, behind all actors and scenery. It helps to separate them from the back drop.

Light coming from upstage, behind scenery or actors, to sculpt and separat. Used . e them from the background. Used . ...

XGA - Extended Graphics Array is a standard computer display introduced in 1990 by IBM. The initial version of XGA built upon IBM's VGA, adding support for two resolutions, 800 × 600 pixels with high color . Used . and 1024 × 768 pixels with a palette of 256 colors. XGA-2 was developed later and with 1024 x 768 pixels with high color, and 1360 x 1024 with 16 colors. However, all XGA modes have an aspe. Used . ct ratio 4:3 rounded to 8 pixels....