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C
CROSBYS
US for saddle and "U" cable clamps.
CROSS FADE
- A smooth simultaneous change from cue to cue.
- Bringing another lighting state up to completely replace the current lighting state. Also applies to sound effects / music. Sometimes abbreviated to Xfade or XF.
CROSS FADE (X-FADEXFAD)
A lighting design term referring to a cue in which one set of lights increases in intensity while another set simultaneously decreases in intensity. A crossfade is one common way in which a change of scene can be indicated in a theatrical production. On a manual controller the master handles literally must be cross faded from one scene bank to another to accomplish a cross fade.
CROSSOVER
Divides frequencies (lowMidHigh) to bi-amped or tri-amped sound systems.
CSI
(Compact Source Iodide) A high intensity discharge lamp. Most often used in followspots because it has a color temperature (approx. 4000K) close to that of the tungsten halogen lamps.
CUE
- The command given to technical departments to carry out a particular operation. E.g. Fly Cue or Sound Cue. Normally given by stage management but may be taken directly from the action (i.e. a Visual Cue).
- Signal for action to start.
CUE (Q)
A point in a live show when a signal is given for some action to take place.
CUE LIGHT
System for giving technical staff and actors silent cues by light. Cue lights ensure greater precision when visibility or audibility of actors is limited. Sometimes used for cueing actors onto the set. For technical cues lights are normally now used just as a backup to cues given over the headset system. In the UKa flashing Red light means stand-by or warngreen light means go. The actor / technician can acknowledge the standby by pressing a button which makes the light go steady. In the USa red light means warn and when the light goes offit means GO. The UK system seems to be more securebut it depends what you're used to.
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