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F
FIT-UP
Initial assembly on stage of a production's hardware, including hanging scenery, building trucks etc.
FIXTURE
Used to describe a type of moving light.
FLAGGING
When focussing lighting, flagging means waving your hand in and out of the beam of a lantern/instrument in order to see where the beam is hitting on stage. Flagging is particularly useful in high ambient light levels. (e.g. "Can you flag that please ?") Term probably originates from a FRENCH FLAG.
FLASH BOX
A small box containing the socket into which a pyro cartridge is plugged. Also known as a flash pod.
FLASH BUTTON
A push switch on a lighting desk which flashes selected channels / memories / submasters to full (100%) while pressed. Some Flash buttons on submasters can be set to latch (ie they stay on when pushed, until they are pushed again).
Sometimes known as a Bump Button.
FLASH OUT / THROUGH
Method of checking whether lanterns are functioning properly by flashing them on one at a time. It is good practice to flash lanterns to 70%, rather than Full to preserve lamp life.
FLASH PAD OR BUTTON
Switches on a channel whilst being touched or pressed. The channel will turn off when the pad or button is released.
FLIGHTCASE / FLIGHT CASE
Metal framed wooden box on wheels with a removable lid used for transporting equipment between venues. Flightcases are very strong, and have reinforced corners and edges. Care should be taken when lifting flightcases as they can be very heavy.
FLOATS
Early form of footlights using burning wicks floating in oil across the front of the stage. Now applies to anything rigged on the front edge of the stage (eg Float microphones, Uplights / footlights etc.)
FLOOD
- A lensless lantern that produces a broad non-variable spread of light. Floods are used in battens, or singly to light cycloramas or large areas of the stage.
- To increase the beam angle of a Fresnel or PC by moving the lamp and reflector towards the lens. "Flood that a bit, please!". The opposite movement is called Spotting.
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