| |
C
CYCLORAMA
A theatrical scenic term describing a smooth backdrop which is often used to
create a sky background for a production.
C CLAMP / C-CLAMP
US equivalent of the UK Hook Clamp. Requires a spanner/wrench to tighten.
Known as a PARROT CLAMP in the US film business.
C-WRENCH
US for SPANNER. (Abbreviation of Crescent Wrench).
C.C.T.V. / CCTV
Closed Circuit television. A video relay system, used in the theater to give
a view of the stage to remote technical operators (especially stage
managers). Also used to give musical performers a view of the conductor (and
vice versa) to help in keeping time. It's called Closed Circuit because the
signal is not being broadcast anywhere - there's a direct link between
camera and monitor.
CABLE
Wiring, temporarily rigged, to carry electrical current. Depending on the
size of the cable (current carrying capacity), cables are used to supply
individual lanterns, whole dimmer racks, or carry signals from a microphone
etc.
CABLE GRIP
A U-shaped clip and saddle used for terminating wire rope. Also known as a
Bulldog, Dog Grip or Wire Rope Clip.
CABLE TIE
Lockable (and sometimes releasable) plastic strap used to tie a bundle of
cables together, amongst many other things.
CAD
Computer-Aided Design. Using a computer to help with 2D plans and drawings,
or increasingly for 3D visualisation of how a set will look, and how
lighting will affect it.
CALLING THE SHOW
The process of giving verbal cues to the lighting, sound, fly operators and
stage crew during the performance. Usually done from the prompt corner by
the DSM or Stage Manager over cans.
CAMLOCK
Single pole connector used on professional power distribution & dimming
systems. A separate connector is used for each phase/neutral of the supply.
Originally developed for touring concerts, as power demands increase its
finding more use in theaters.
|
|
