Dmx And Real Time Events; What Is Dmx; What Is Real Time Events; Lens Control Limitations - Christie M Series User Manual

Appendix B: DMX/ArtNET
B.1 DMX and Real Time Events
B.1.1 What is DMX?
DMX is a standard for digital communication networks that are commonly used to control stage lighting and
effects.
B.1.2 What is Real Time Events?
A real time event is a pre-recorded sequence of 1 or more serial commands which are executed when a defined
trigger occurs. For example:
• A trigger can be timed based (i.e. Saturday at 1:00pm; occurring every other week)
• A trigger can be event based (i.e. System powers on, good signal, etc.)
• A trigger can be a number of other events (For more details, see
NOTE: A real time event can use nested loops and delays. Only statically defined commands can be executes
(i.e. PWR 0, SHU 1). You cannot use variables or other complex programming techniques.
B.1.3 Lens Control Limitations
Normal ILS control of the lens horizontal and vertical positions by the projector respects the boundaries of the
lens keep out area. This area is necessary to prevent damage to components within the projector. When the
DMX controls are used to set the absolute position of the lens, setting values in these keep out areas may result
in an unwanted final lens position. You must ensure that any interim or final lens positions, at any time during
the lens movement, do not enter the keep out area.
M Series User Manual
020-100009-08 Rev. 1 (05-2013)
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