Test Flashcards
Whats an ERS and what is its principle of operation ?
Ellipsoidal reflector spotlight
stage lighting instrument also known as a profile
the elipsidol reflector collects and directs light through a barrel that contains a lense.
SPOTLIGHT
Profiles use shutters to shape the beam output, what does a fresnel use ?
Four barn doors attached to the front of the lantern
On a ETC lighting console what would I type to on the keypad to
Bring several fixtures to full intensity
Record the fixtures as a sub
3 thru 12
full enter
record sub 3 enter
Name 3 types of generic lighting fixtures
Fresnel
Par can
Strand SL
Name 2 of the 3 most commonly used lamps (bulbs for Par Cans)
CP61
CP62
Name two of the three types of lighting desks and a brief description of each
Two Scene Preset- most basic, two fader banks called scenes that are manually adjusted by the technition,one live one blind Submaster Playbacks- scene can be recorded to one single makes it easier on technition
DMX and it’s function
digital multiplex with 512 pieces of information
standard for digital communication networks
How many 1000W / 13
13 into 1000 4.16 // 13 divided by 4.16 is 3.125
equals 3
why should excess power cable not be ……
cable should be stored in a figure of 8
to disperse heat and reduce risk of fire
What is a hazard
a source of ptential harm or adverse health effects on a person or persons
2 control measures
eliminate- remove the hazard , eliminate the risk
substitute- use something different that may have differerent hazrds but the health affects a lessened
3 things to be aware of when using a ladder
safety check - check stiles and feet etc
is it suitable for the work task
footed by another person
lights that have more than one functions
parameters
