Chauvet OBEY DMX512 Manuel D’Utilisation

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Common Terms 
The following are common terms used in intelligent light programming.  
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Blackout is a state where all lighting fixtures’ light output are set to 0 or off, usually on a temporary 
basis. 
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DMX-512 is an industry standard digital communication protocol used in entertainment lighting 
equipment. For more information read Sections “DMX Primer” and “DMX Control Mode” in the 
Appendix. 
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Fixture refers to your lighting instrument or other device such as a fogger or dimmer which you can 
control.  
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Programs are a bunch of scenes stacked one after another. It can be programmed as either a single 
scene or multiple scenes in sequence.  
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Scenes are static lighting states. 
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Sliders are also known as faders.  
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Chases can also be called programs. A chase consists of a bunch of scenes stacked one after 
another.  
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Scanner refers to a lighting instrument with a pan and tilt mirror; however DMX controllers can use 
this term to control any DMX-512 compatible device as a generic fixture. 
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MIDI (Musical Instrument Digital Interface) is a standard for representing musical information in a 
digital format. A MIDI input would provide external triggering of scenes using midi device such as a 
midi keyboard. 
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Stand Alone refers to a fixture’s ability to function independently of an external controller and usually 
in sync to music, due to a built in microphone. 
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Fade slider is used to adjust the time between scenes within a chase. 
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Speed slider affects the amount of time a scene will hold its state. It is also considered a wait time. 
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Shutter is a mechanical device in the lighting fixture that allows you to block the lights path. It is often 
used to lessen the intensity of the light output and to strobe. 
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Patching refers to the process of assigning faders to a DMX channel within a fixture. 
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Playbacks can be either scenes or chases that are directly called to execution by the user. A 
playback can also be considered program memory that can be recalled during a show. 
 
Obey™ 40 User Manual 
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Revised: 2008-06-13 15:54:24