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Lighting control console

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Lighting control console

A lighting control console (also called a lightboard, lighting board, or lighting desk) is an electronic device used in theatrical lighting design to control multiple stage lights at once. They are used throughout the entertainment industry and are normally placed at the front of house (FOH) position or in a control booth.

All lighting control consoles can control dimmers which control the intensity of conventional incandescent lights. Many modern consoles can control Intelligent lighting (lights that can move, change colors and gobo patterns), fog machines and hazers, and other special effects devices. Some consoles can also interface with other electronic performance hardware (i.e. mixing consoles, projectors, media servers, automated winches and motors, etc.) to improve synchronization or unify their control.

Lighting consoles communicate with the dimmers and other devices in the lighting system via an electronic control protocol. The most common protocol used in the entertainment industry today is DMX512, although other protocols (e.g. 0-10 V analog lighting control) may still be found in use, and newer protocols such as ACN and DMX-512-A are evolving to meet the demands of ever increasing device sophistication. Some lighting consoles can communicate over a Local IP network infrastructure to provide control over more scalable systems. A common protocol for this is ESTA E1.31 sACN (pronounced: streaming A.C.N.) or Art-Net.

Consoles vary in size and complexity, from small preset boards to dedicated moving light consoles. The purpose of all lighting consoles, however is the same: to consolidate control of the lights into an organized, easy-to-use system, so that the lighting designer can concentrate on producing a good show. Most consoles accept MIDI Show Control signals and commands to allow show control systems to integrate their capabilities into more complex shows.

Preset boards are the most basic lighting consoles—and also the most prevalent in smaller installations. They consist of two or more identical fader banks, called scenes. The faders (control slides) on these scenes can be manually adjusted. Each scene has the same number of channels which control the same dimmers. So the console operator can build a scene offline or in "blind", a cross-fader or submaster is used to selectively mix or fade between the different scenes.

Generally, at least with a preset board, the operator has a cue sheet for each scene, which is a diagram of the board with the faders in their positions, as determined by the lighting designer. The operator sets the faders into their positions based on the cue sheets. Typically during a cue, the operator sets the next scene. Then the operator makes the transition between the scenes using the cross-fader.

Preset boards are not as prevalent since the advent of digital memory consoles, which can store scenes digitally, and are generally much less cumbersome but more expensive than preset boards. However, for small setups such as that of a DJ, they remain the board of choice for their simple to use interface and relative flexibility. Preset boards generally control only conventional lights; though some advanced hybrid consoles can be patched to operate intelligent lights in a round-about way by setting the control channels of the light to channels the preset board can control. However, this is not recommended since it is a cumbersome process.

Memory-based consoles have become very popular in almost all larger installations, particularly theatres. This type of controller has almost completely replaced preset consoles as controllers of choice. Memory consoles are preferable in productions where scenes do not change from show to show, such as a theatre production, because scenes are designed and digitally recorded, so there is less room for human error, and less time between lighting cues is required to produce the same result. They also allow for lighting cues to contain larger channel counts due to the same time savings gained from not physically moving individual channel faders.

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