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LIGHT BOARD
A lighting control console or desk.
LIGHT BOARD OPERATOR (BOARD OP)
The person who runs the lighting control console, programming and executing
cues as directed by the lighting designer.
LIGHT CUE (LQ, LX Q, Q)
A lighting design term referring to a point in a show at which a
predetermined change in the lighting is executed. The lighting director or
stage manager "calls the cue" usually by saying "go," and the light board
operator executes the lighting change. A change may occur instantly, as in a
bump cue, or take place as a long fade over time. On simple controllers a
cue can be thought of as a combination of channels at specific levels which
create the lighting for a specific moment in a show. More sophisticated
controllers build cues in increasingly complex ways making the idea of a cue
a more abstract concept. Cue is often used to describe a moment or picture
(also called a look or state) created by lighting on stage.
LIGHT SHOW
A term describing a production where the lighting is or takes a primary
focus. The idea of a light show may have developed from the psychedelic
light show of the late 60's, but is now used to describe a range of laser
and lighting spectacles.
LIGHTING CONTROL CONSOLE
The head end of a lighting system. The lighting control console sends
information via control cables to dimmers or other devices instructing what
they should do. Run by a light board operator, or as is common on a touring
production by the lighting designer or lighting director, the lighting
control console stores and executes all of the light cues for a performance.
Common types of lighting consoles include the preset board and computer
memory console.
LIGHTING DESIGNER
The person whose primary responsibility is the visual design of the lighting
for a project or production. In theatrical terms the Lighting Designer is
responsible for all aspects of the aesthetic design of the show.
LIGHTING DIRECTOR
Commonly used in the television and touring show industry to describe the
person in charge of the lighting. Often the lighting director is the
lighting designer for the production. In other cases the lighting director
for a touring show is working from an original production design by the
lighting designer.
LIGHTING INSTRUMENT
Often called a luminair, lighting unit, or lighting fixture, a lighting
instrument is a device that is minimally comprised of a lamp, lamp housing,
and some type of clamp to attach it to a mounting structure.
LIQUID NITROGEN FOGGER
A fogging system which uses liquid nitrogen to cool water? and produce heavy
clouds of dense ground fog. The nitrogen fogger has the chief advantage over
dry-ice fog, that the reaction can be continued indefinitely.
LOAD-IN
The process by which all of the physical elements of a touring show are
unloaded from a truck and installed at a venue for a performance. Load-in is
usually accomplished by a combination of technicians from the road crew and
the local crew.
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