
Operation
21
The lamp can be turned off from the controller. The DMX lamp off command is executed if DMX lamp off (SPEC/
dLof
) is set to ON. Note: It is not possible to strike the lamp within 8 minutes of having switched it off. If DMX
lamp off is OFF, the lamp off command can only be executed if the cyan, magenta, and yellow channels are set to a
value from 230 to 232.
With the MAC 600 E NT, lamp power falls to 400 watts for cooler operation and longer lamp life when the shutter is
closed for 10 seconds. Power instantly returns to full when the shutter opens. Reduced-power mode with the shutter
open can be forced by setting channel 1 to a DMX value from 116 to 122.
Mechanical effects
All mechanical effects are reset to their home position when the fixture is powered up, and the fixture can be reset from
the controller. A controller reset command is executed if DMX reset (
SPEC/dRES) is set to ON. If DMX reset is
OFF, the reset command can only be executed if the cyan, magenta, and yellow channels are set to a value from 230 to
232.
An on-the-fly position correction system monitors the dimmer, color wheel, and beam shaper position. If a position
error occurs in one of these effects, the shutter closes while the effect automatically resets. This feature may be
disabled by setting effects feedback (SPEC/EFFb) to OFF.
General operation may be optimized for speed or quietness with the studio mode setting (
MOdE).
PAN AND TILT
The moving head can be panned 440° and tilted 306°. The middle of the pan range is perpendicular to the front of the
fixture, as indicated by the arrow on the base. Movement may be optimized for speed by setting the pan/tilt speed
(
PTSP) personality to FAST, or for smoothness by setting it to NORM. The setting may be overridden on the
speed channel in vector mode. Movement is disabled if lamp feedback is lost - indicating a blown lamp - to prevent
possible damage or injury due to glass fragments.
Setting the movement speed to “blackout” in vector mode causes the shutter to black out the light while the head is
moving. The pan and tilt DMX channels can be inverted and/or swapped for convenience using the pan/tilt (
PATI)
menu.
COLOR WHEEL
The color wheel provides dichroic red, green, blue, and UV color filters. The wheel can be scrolled, allowing for split
color effects, snapped to fixed positions, and continuously rotated in both directions at different speeds. The Shortcuts
(
SPEC/SCUT) setting determines whether the wheel takes the shortest path to the next position or swings between
the end positions. The setting may be overridden on the speed channel in vector mode.
Setting the color speed to “blackout” in vector mode causes the shutter to black out the light while the wheel moves,
making the transition invisible.
CMY COLOR MIXING
The CMY color mixing system uses continuous dichroic cyan, magenta, and yellow color filters. It is a subtractive
system that removes the unwanted colors from white light. Inserting all three filters results in loss of light: for
maximum brightness, mix 2 colors at a time.
Random CMY color mixing is available at the top of channel 7.
COLOR TEMPERATURE CORRECTION
The color temperature correction (CTC) system uses a continuous 0 - 178 mireds color correction filter. The range of
color temperatures available with a new lamp is shown below. As the source color temperature varies, DMX values for
specific color temperatures cannot be stated.
Source Color Temperature Range Color Rendering Index
Osram HSR 575/2 6000 - 2900 K 95
Philips MSD 575 6000 - 2900 K 75
Philips MSR 575/2 7200 - 3150 K 80
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