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P
P2
Lighting Industry Forum code which identifies the (original) recommended
usage of different lamp types. P2 coded lamps are photofloods, and have a
color temperature of 3000°K.
PAGE
Some theater announcement systems use the term "PAGE" to mean making a call.
A way of increasing the functionality of a control on a lighting desk. For
example, most computerized lighting desks with SUBMASTERS will allow you to
store more than one lighting state in each submaster. Each group of
submasters is given a page number which is used to select which set you want
to use.
PAGEANT
Brand name of a 1000W beamlight made by Strand Electric in the UK. Produced
a near parallel beam and had a set of spill rings on the front to minimise
glare.
PAIRING
Connecting more than one lantern to one power outlet via an adaptor or
splitter, or more than one speaker to one amplifier channel.
PAN
1) A control on a mixing desk which allows the operator to position the
channel's output in the final stereo image (L - R).
2) A horizontal (side-side) movement of a camera or a moving light. Short
for Panorama.
PAR
Short for Parabolic Aluminised Reflector lamp. A lamp containing a filament,
reflector and lens in one sealed unit. Used in PARCANs to produce a high
intensity narrow beam of light. Par lamps are available in many different
sizes and powers. Par sizes available include 16, 36, 38, 56 and 64. (The
number refers to the diameter of the lens, in eighths of an inch). The most
common for theater use are Par 64s rated at 1000W (1kW), although other
wattages are available. 110V Par lamps are often used in large UK venues or
for touring due to the increased light output. Because the current is
greater, the lower voltage lamps have smaller thicker filaments which give a
more focussed beam than the thinner 240V filaments. In the film business,
PAR lamps are known as "bird's eyes" after the alleged inventor Clarence
Birdseye.
PARALLEL
1) The folding frame that forms the base of a readily portable platform.
2) The opposite of SERIES when referring to wiring two loads into one
outlet. The two loads share the available current, but are both given the
same voltage.
PARCAN
Type of lantern which produces an intense beam of light, ideally suited to
"punching" through strong colors, or for special effect. The Parcan is
literally a cylinder of metal (the "can") within which sits the PAR lamp
(PAR stands for Parabolic Aluminised Reflector) which consists of the bulb,
a reflector and a lens in a sealed unit. The Parcan first appeared in the
early 1970's in the Rock concert industry due to the intensity of the beam,
and the light weight and near indestructibility of the lantern. The lens of
the lamp is either clear (which produces a narrow beam), frosted (medium) or
stippled (wide).
PARNEL
Brand name for a wash light manufactured by ETC. It's a cross between a
soft-edged focussable Fresnel and a ETC Source Four PAR.
PATCH
1) (verb) The act of plugging a lantern into a dimmer (e.g. "Can you patch
circuit 12 into dimmer 18 please").
2) (noun) The system for connecting lanterns to dimmers (The Patch).
The term also applies to sound - a PATCH BAY is used to connect outboard
equipment into the sound desk and to connect sound desk outputs to
amplifiers, and amplifiers to speakers.
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