O
PERATION
: DMX O
PERATION
02.9703.0001 A
17 December 2012
33
DMX Mode 4 Channel Mapping (Enhanced Individual LED Engine
Control)
Vari-Lite has added a new control mode in VLX3 wash luminaires called Mode 4. Mode 4 allows
users to program and control each LED engine individually but with significant differences from Mode
2 and Mode 3 (as described in Vari-Lite Technical Bulletin LSW-064).
To select DMX Mode 4, access the Menu System as follows:
DMX -> DMX Map -> Mode 4
IMPORTANT! Mode 4 utilizes the same control functionality as Mode 3, but with a different
channel map. This channel map is useful when patching the fixture as 4 independent fixtures
(one for intensity, pan, tilt, zoom and control) while the other 3 control the individual LED cells.
Certain console profiles will prefer to use this mode. Please check with your console manufac-
turer for which mode their console profile supports.
Like Mode 3, Mode 4 provides:
•
Programmers access to individual control or combined control of the LEDs and allows control of
easily built effects.
•
An 8-bit channel called the
Engine Modifier
channel. This is channel
15
in the DMX map in
Mode 4. This channel designates the way the programmer accesses the LED engines.
a. To operate the fixture as a conventional moving wash fixture, set the
Engine
Modifier
channel to a DMX value of
0
(default). This means that the RGBW and
Strobe control of engine #1 (DMX Channels 16 - 24) will control all the LED engines as
one.
b. To control the engines separately, users can set the fixture to
Engine Modifier
channel to a DMX value of
15
(11-20 range). Enabling
Engine Modifier
separates
the LED engines for individual control using their own individual control channels.
•
An extended DMX channel count - 42 DMX channels. See
Table 3-4, “VLX3 Wash Luminaire
for more information.
•
The ability to set each engine to a different color and create effects with them. If you move the
Engine Modifier
channel up in the range of
21
through
83
, you will notice that the colors you
have selected are now rotating around each of the three engines. By adjusting within this range you
are able to change speed and direction of the rotation.
•
If the
Engine Modifier
channel is set in the range of
87
through
149
, the color selected for
engine 1 will be applied to engine 2 and then engine 3 sequentially. It will then apply the selected
color on engine 2 to engine 3 and then engine 1 sequentially. It will then apply the color selected
for engine 3 to engine 1 and then to engine 2 sequentially. This is called
LED Pile-On
. By
changing the values within this range you can manipulate the speed and direction the
LED Pile-
On
takes.
•
It is important to note that the individual colors can be altered while this channel is activated.
Simply go back to any of the engines and change their values. The
Engine Modifier
channel
will recognize the changes in real time. It is also important to note that the Color Timing Channel
(DMX Channel 10 in Mode 4) is still recognized with the
Engine Modifier
channel. For
example, if you set a slow rotation of the LED engines and then give it a 1 or 2 second color timing
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