
BEST BOY
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HP SPOT LUMINAIRE USER MANUAL
87
DMX512
Digital multiplexing; an industry standard protocol. 8-bit protocol with a maximum of 256 steps of resolution per
channel. Maximum of 512 controllable channels per DMX data stream.
DMX512 Cable
Industry standard cable consists of two twisted pair and a shield, and 5-pin XLR style connectors.
The pin out is: pin 1 = common (shield), pin 2 = data -, pin 3 = data +.
The second pair (pins 4 & 5) may be used for a secondary data link.
DMX512 Universe
A group of up to 512 DMX channels. Consoles may have more than one universe, usually labeled in groups of 512.
Douse
To de-energize a luminaire lamp. (Douse is unrelated to intensity states.)
Ethernet
Networking technology used to connect local area networks (LANs) via CAT5 cable or wireless.
Fixture Orientation
Based on the direction the pigtail points as it exits the fixture.
Flipped Focus
When one or more fixtures inadvertently move differently from others in the system.
Focus
The point to which the light beam is directed. Also, a function of the luminaire related to the direction of the beam as
specified by pan and/or tilt data.
Framing
A device/function of the luminaire which can be used to mask off certain areas of the beam’s output.
Gobo
A removable piece of glass or metal which contains a pattern used to create backgrounds or textures when projected
onto scenery or cycloramas. Gobos typically contain geometrical shapes or natural elements such as fire, stars, or
leaves.
Gobo, Moiré
See
Moiré Gobo
.
Hard Reset
Restarts luminaires and reloads operating system and cue data.
Home Position
Pan and Tilt values at 50%. Also called “Zero Position” or a "50/50" cue or group.
Indexing
A function of a rotating gobo mechanism.
Intensity
A value placed on the relative brightness of a lighting fixture; 100% is considered "full," and 0% is considered "out."
Iris
A motor controlled mechanism which is used to adjust the beam diameter.