Lighting instruments - There are a variety of instruments frequently used in the theater. Although they vary in many ways they all have the following four basic components in one form or another...
* Box/Housin. Used . g - a metal or plastic container to house the whole instrument and prevent light from spilling in un-wanted directions.
* Source of light (bulb or lamp).
* Lens or opening - the g. Used . ap in the housing where the light is intended to come out.
* Reflector - behind or around the light source in such a way as to direct more light towards the lense or opening.
Additional feat...
Digital signal - A digital signal is a signal that is both discrete and quantized. Its primary counterpart is an analog signal. Digital signals usually occur in electronics, but may be found in other fields of enginee. Used . ring as well.
Digital signals may be divided into two categories:
* Some are inherently both discrete and quantized (ex. the number of people who visit a certain. Used . establishment every day).
* Some describe phenomena that are actually continuous in one way or another. The signal must be discretized, quantized, or both, in order to make it digital. This "digitiz...
Headsets and Beltpacks - Headsets are simply headphones with an attached mic, usually a noise canceling condenser mic, used for communicating with other crew members during a show or production. Beltpacks provide power to the. Used . headset and allow it to be used remotely. . Used . ...
Patch Bays - A patch bay is a panel, usually rack mounted, that uses cable connections to allow technicians to quickly change the physical path of a select signal. Generally, shorter patch cables will plug into fr. Used . ont of the panel, while the back will have have much longer connections to more permanent cables and equipment. . Used . ...
Crossfade - A value of time that is assigned to a parameter that controls the duration of change from one DMX value to another DMX value or to fade from one scene to another. This is a lighting console term.. Used . . Used . ...