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144 Cards in this Set
- Front
- Back
What year as Edmund Sohlberg of Kansas City issued a patent for remote-controlled spotlight?
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1906
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Who is credited with a patent that demonstrates the earliest use of electric motors for motorizing the pan and tilt functions of a luminaire?
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Herbet F. King
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What movie production used a remotely operated lighting fixture built by Century Lighting, in conjunction with Paramount Pictures?
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The Greatest Show On Earth
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In 1965, who developed a remote controlled par type fixture for a production of “Peter Pan”?
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Jules Fisher
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What was the name of the fixture designed for and used by the touring production for the band "Grand Funk Railroad"
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Cyklops
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In what year did the company ShowCo begin work on a color changing par fixture?
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1978
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What was the name of the prototype moving fixture built by Vari*Lite?
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VL0
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In 1981, in what city did the Genesis "Abacab" tour start?
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Barcelona, Spain
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What was the name of the French company that designed the Telescan ficture?
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Cameleon
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What company developed the "Pana-Spot" fixture?
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Morpheus
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What company developed the first moving yoke fixture that used the DMX512 data protocol?
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Summa Technologies
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Who was the lighting designer who used projectors, with mirrors attached at the end of the lens, to move light around on a stage for early Pink Floyd shows?
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Peter Wynne Willson
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how many Vari*Lite fixtures were used on the Genesis "Abacab" tour?
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55
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Who was the lighting designer that used the High End Systems Intellabeam on the Dire Straits' 1990-1991 "on Every Street" tour?
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Chas Herington
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What was the first line of products that martin company produced?
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Smoke Machines
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What company introduced the icon M fixture?
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Lighting and Sound Design
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What year did High End Systems introduce the Catalyst Media Server?
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2001
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Name the 5 common elements found in all automated lighting systems?
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Rigging system
Power distribution system Data distribution system control system Luminaries or Fixtures |
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What is the normal size for light duty truss?
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12 by 12
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What is a normal size for medium duty truss?
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20.5 inches square
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What is a normal size for heavy duty tress?
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20.5 inches by 30 inches
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What is the standard type of pipe that is used as a batten in the United States?
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1.5 in schedule 40 black iron pipe
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What is the job of a power distribution system?
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To safely and reliably distribute power to each electrical load in the system while at the same time providing protection from overloading and short circuits.
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Whata are the color codes for the following cable in a 3 phase system?
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USA
Green/yellow striped Black Red Yellow Blue New European Green/yellow striped Blue Brown Black Grey |
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What does a distribution panel do?
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Houses the overcurrent protection equipemnt
Serves to divide the incoming power into branch curcuits |
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What can make a thermal curcuit breaker trip sooner than it should?
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Hot environments
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How does a magnetic circuit breaker measure current flow?
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By sensing the magnetic field around a conductor in direct proportion t the current
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What is the maximum current interrupt rating fr a breaer that is used in conjunction with 14 AWG circuits.
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15
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What is the maximum current interrupt rating for a breaker that is sed in conjunction with 12 AWG circuits?
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20
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What is the maximum current interrupt rating for a breaker that is used in conjunction with 10 AWG circuits?
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30
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What is the definition of a branch circuit?
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A set of wires that carried power from the last overcurrent portection device to on or more electrical loads.
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What 2 things (dealing with the cable) can cause the voltage to drop in a branch circuit?
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Branch circuits are run long way
The wire gauge is too small |
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What is the name of the set of codes and standards governing the installation and operation of electrical equipment in the United States?
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NEC--- National Electrical Code
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When was this set of codes first written?
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1897
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What is the difference between data grade cables and microphone cables?
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Data grade are low impedance
microphone cables are high impedance cables |
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What does ACN stand for?
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Architecture for Control Networks
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What are the two main functions of the electrical system in an automated light?
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To supply power for the lamp circuit
Supply low-voltage power to the electronics systems and electromechanical systems. |
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What is the primary function of the electronics system?
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To take the control signal input, translate it to computer code, and execute commands in the form of motor movemets or lamp voltage.
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What does the electromechanical system do?
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Converts electrical energy into movements
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What is the mechanical system made up of?
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Gears
Belts Bearings Axles Chassis |
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Name seven things that can be found in the optical system.
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Reflectors
Lamps UV and I/R filters Color Media Gobos Lenses Effects |
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What does USITT stand for?
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Untied States Institute for Theater Technologies.
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On a fully loaded universe of data, how many updates can be send to each of the 512 parameters per second?
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44 times per second
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What two things are clearly defined in the new DMX512-A standard that the prior DMX standard didn't allow for?
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It allows for bidirectional communication with talkback and for dual data likns, or universes, on one cable.
Eliminates the use of Pins 3 and 4 |
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What does RDM stand for?
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Remote device Management
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DMX was adapted from what other standard?
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TIA/EIA-485
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What is characteristic impedance?
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The impedance of infinitely long length of that particular cable
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What should the characteristic impedance for a DMX data cable be?
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120 ohms
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What would a high-capacitance cable do to a DMX signal?
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Degrades signal and makes for an unstable system.
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The Pin-out for a DMX512 connector is:
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Pin 1- Common (shield)
Pin 2- Data Complement (data -) Pin 3- Data True (data 1+) Pin 4- Optional second data link complement (Universe 2) Pin 5- Optional second data link true (universe 2) |
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What does "DIP" stand for?
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Dual Inline Package
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What are the three types of displays found on most automated luminaries manufactured today?
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LCD
LED VFD |
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What are the two modes that determine ho an automated fixture moves?
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it can receive a continuous stream of data controlling every step of the pan and tilt motors along the path to the end point.
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When a fixture is in Vector Mode, it only receives two piecies of information from the console. What are the two peices of information?
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End position
Speed |
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When dealing with lamp control, what does "DMX Presence" refer to?
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The lamp automatically turns on when it sense DMX512 signal, and off when the signal is turned off.
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Conventional fixtures use what type of lamp?
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Incandesent
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What does PAR stand for?
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Parabolic Aluminized Reflector
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What are the 2 standard PAR sizes?
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-64 (8in)
-56 (7in) |
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What are the four different lens types a par can have?
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VNSP (Very narrow spot)
NSP (Narrow spot) MFL (Med. Flood) WFL (Wide flood) |
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How many pars are on a standard par bar?
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6
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What does ERS stand for?
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Ellipsoidal Reflector spotlight
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What is a Field Angle?
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the angle at which the light spreads out after leaving the fixture
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What is a Fresnel used for?
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wash fixture
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Where do we tie in to the power in a venue?
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Disconnect box
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What is feeder tail aka pig tail
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Bare copper wire at one end and connector at the other end
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What are 2 standard sizes fr feeder cable?
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2/O
4/O |
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Single Phase power has ____ wires and they are:
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4
Ground Neutral Hot Hot |
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In a single phase system, the hot legs are ___ degrees out of phase with each other.
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180 degrees
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Three Phase Power has ___ wires and they are:
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5
Ground Neutral hot hot hot |
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In a three phase power system , the hot legs are ___ out of phase with each other.
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120 degrees
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In a conventional lighting system, the power from the main disconnect is fed into the _____
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dimmer rack
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In a conventional lighting system, the power from the main disconnect is fed into the ___
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dimmer rack
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If a dimmer rack is 48 X 2.4K, there are ___ dimmers in the rack, and each dimmer can handle _____ watts
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48
2400 |
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Socapex is a brand name of cable. Standard Socapex carries ___ circuits, and the Socapex connector has ____ pins.
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6
19 |
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What type of cable do you connect to the end of a socapex cable, to take the 6 circuits out to individual connectors?
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Fan out
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DMX stands for what?
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Digital Multiplexing
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How many channels exist in one universe of DMX?
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512
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How many steps exist in one universe of DMX?
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256
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What gender of 5 pin XLR connector would be found on a console DMX Output?
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Female connector
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How many DMX devices may be chained together on one Un-split line?
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32
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What piece of gear that takes one universe of dmx in, and makes multiple copies of that universe to output?
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Splitter (opto-split)
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What does a terminator do?
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Stops DMX reflection
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What gender is hte XLR used to make a terminator?
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Male
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What type of resistor is used to make a terminator?
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1/4 watt 120 Ohms
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What 2 pins should the resistor be wired between when making a terminator?
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Pins 2 and 3
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what company introduced the first modern day automated light?
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Vari*Lite
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Who was the first band to tour with automated lights, and in what year?
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1981
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Name 4 automated lighting manufacturers.
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Morpheus
Light and Sound Design Clay Palcy Coemar |
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Name 3 automated lighting consoles
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Grand MA
Artisan Whole Hog |
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What are the two main types of automated lights (based on how they actually move)
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moving head
moving miror |
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What is 1 benifit of a moving head fixture?
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Greater range of motion
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What is 1 drawback of a moving head fixture?
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Slower movement
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What kind of lamps do most automated lights use?
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Arc Lamps
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How does an Arc lamp work?
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Cause an arc of voltage between two leads. This excites the gas contained within the lamp to create light and heat.
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What cant you test continuity of an arc lamp to see if it's functioning?
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because there is a gap etween leads
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How do you dim an automated light that uses an arc lamp
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a mechanical dimmer
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what type of color filters do automated lights use?
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Dichroic filters
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The compliment of Red is
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Cyan
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the compliment of magenta is
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green
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the compliment of yellow is
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blue
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Where do automated lights get their power from?
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MVLL (Moving light power distro rack)
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What are the two power voltages that we commonly use for automated lights in the USA?
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120v
208v |
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The moving liht distro in Full Sail Live 1 Main Hall is wired to output ____ volts, which means that instead of 6 hot lines, 6 neutrals, and 6 grounds, it outputs ___ hot lines ___ neutrals, and ___ grounds
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208v
12 0 6 |
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If an automated light is patched to DMX address 1, and it takes up 14 channels of DMX, what is your next available DMX address?
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15
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What are the three "Special" commands that most automated lights have?
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Lamp on
Lamp off Reset |
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On most Martin fixtures, what channel are these 3 special commands found?
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Strobe channel
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Who makes the MA series?
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MA lighting
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What style of MA console do we use n the programming lab?
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Grand MA Ultra Light
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How many touchscreens does the Ultra Light have?
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1
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How many touchscreens does the Grand MA Fullsize have?
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3
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How many DMX outputs does the Ultra Light have?
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2
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How many DMX outputs does the grand MA Fullsize have?
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4
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How many Executor faders does the ultra light have?
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10
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Have many Executor Faders does the Grand MA fullsize have?
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20
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How many Executor buttons does the ultra light have?
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10
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How many executor buttons does the grand MA fullsize have?
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40
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Name 2 other differences between the Grand MA Fullsiza and the Ultra-Light
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Fullsize has a flash disk, ultra light does not
Keyboard is built in on fullsize, ultra light has external |
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When you power on the MA consoles, what show loads into the desk?
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The last show that was loaded
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To load or save a show on the MA consoles, the first button you needs to press is the ___ button
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Backup
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Name 2 places a show can be stored to when created on the MA console?
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Floppy Disk
USB key |
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When you want to create a new show on the MA console, you load a show with a ___ name
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Blank
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Grand MA calls moving lights _____ and calls dimmers _____
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fixtures
channels |
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On the grand MA, this type of windows shows you information.
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sheet
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On the Grand MA, this type of window deals wih parameters of a fixture.
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presets
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When a fixure is selected, the name of the fixture turns to what color in the fixture sheet?
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Yellow
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What are sheets?
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Shows information-set up in spreadsheet form
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What are Pools
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Where things get stored
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What are Presets
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Deal with fixture attributes
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what is other
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Other
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Name 3 ways of accesing fixtures on the Grand MA console
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Type fixture ID on key pad
Click it Groups |
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Name 3 ways of adjusting control channel son the Grand MA console.
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Encoder wheels
Middle clck & scroll in fix sheet Direct Entry Box |
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What button must you press to store a cue?
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Execute fader
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When you store a cue, what gets stored?
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Playback information
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What color are the active values in the fixture sheet?
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Red
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When you store a sequence to a fader, where else does it get stored?
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Sequence Pool
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If you want to name a sequence, in what screen do you name it?
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Sequence pool
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By defualt, what does the Top button on every executor fader do?
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OFF
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by defualt, what does the Middle button on every executor fader do?
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GO
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By defualt, what does the Bottom button on every executor do?
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ON
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By defualt, what does the button on the executor button do?
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GO
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How do you turn off an executor button?
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Press off and select the executor button.
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When you store a Position preset, what are you actually storing
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Pan & tilt information
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When you store a Color preset, what are you actually storing?
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Color Values
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Define Presets
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A user programmable memory location that stores the value of a parameter of a fixture for later use in programmig.
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