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DMX Parameter Descriptions
The following sections describe the Parameters for the modules in a standard
configuration x.SpotXtreme fixture. All DMX values indicated in the detailed
parameter descriptions are in decimal units.
Basic Fixture Parameters
Pan and Tilt
Channels 1– 4 control the Pan and Tilt parameters. The x.SpotXtreme fixture has a
630° pan range and a 240° tilt range. DMX channels 1 and 3 allow coarse adjustment
within 1–2 degrees of the desired pan and tilt position. DMX channels 2 and 4 allow
fine adjustment to a fraction of a degree of the desired pan and tilt position.
MSpeed values control the pan and tilt motion for x.SpotXtreme fixtures by default,
see "MSpeed (Motor Speed)" on page 4-9. To control the Pan and Tilt parameters
with DMX controller crossfading, set Pan/Tilt MSpeed off in the Control parameter
(see Table 4-4, "Control Setting Descriptions," on page 4-10 and "Appendix A: DMX
Protocol" ).
Note: Optical encoders for pan and tilt instantly correct the fixture's position if the
fixture is jarred from its programmed position. If a physical obstruction
prevents the fixture from correcting its position, the fixture "times out" to
prevent wear on the motors. If the fixture has timed out, remove the
obstruction and home the fixture to return it to normal operation.
Lamp Function
The Lamp Function parameter (Channel 5) modifies the Shutter (Channel 6) and Dim
(Channel 6) functions to enhance and expand the range of effects available on the
x.SpotXtreme fixture including Light Burst™ effects, lightning strikes and Electronic
Dimming™ effects.
The Light Burst™ effect boosts the Lamp above the rated wattage for the specified
period of time. Boosting to white ends with the shutter open; boosting to black closes
the shutter. Boosting is also used to created Lightning effects with the Dim channel
scaling the overall brightness. Table 4-2 describes the interaction between the Lamp
Control and Shutter Parameters.
The x.SpotXtreme fixture supports Electronic Dimming™ effects as well as
mechanical dimming and a combination of both. Electronic Dimming™ effect works
by lowering the lamp power below rated wattage. Electronic Dimming alone will not
go to black.
x.Spot
Xtreme User Manual
®
DMX Programming
4-5
4
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