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10
MAC 500/E User Manual
Controllable effects
All moving effects are reset to a “home” position when the fixture is powered up. The fixture can also be reset via
DMX if DMX reset (
SPEC/dRES) is enabled. There is also a combination of DMX values that allows you to reset
the MAC 500/E even if this feature is disabled; see the DMX protocol for details.
An on-the-fly position correction system monitors the position of the color wheels, fixed-gobo wheel, and rotating
gobos. If an error is detected, the shutter closes and the effect is reset to its home position. Normal operation resumes
immediately thereafter. This feature can be disabled by setting effects feedback (
SPEC/EFFb) to OFF.
General operation may be optimized for speed or quietness with the studio mode setting (SPEC/MOdE). The menu
setting may be overridden via DMX using the effects speed channel in DMX modes 3 and 4.
Lamp
The MAC 500/E can be set to automatically strike the lamp within 90 seconds of being powered on by setting the
Automatic Lamp On (
SPEC/ALON) personality to ON. A delay determined by the fixture address prevents all
lamps from striking at the same time.
If Automatic Lamp On is set to off (default), the lamp remains off until a “lamp on” command is sent from the control-
ler. A peak of electric current that can be many times the operating current is drawn for an instant when striking the
lamp: striking many lamps at once may cause a voltage drop large enough to prevent lamps from striking or trip the
main circuit breaker. Avoid this by programming a “lamp on” sequence that strikes lamps one at a time at 5 second
intervals.
Power to the lamp can be turned off from the controller if the DMX Lamp Off (
SPEC/dLOF) feature is enabled.
There is also a combination of DMX values that allows you to turn off the lamp even if this feature is disabled; see the
DMX protocol. %H FDUHIXO: it is not possible to strike the lamp within 8 minutes of having switched it off. The MAC
500/E will store a “lamp on” command and strike the lamp automatically when the 8 minutes have elapsed.
With the MAC 500 E, 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 can also be forced
- with the shutter open - by setting channel 1 to a DMX value from 73 to 79.
Pan and tilt
The moving head pans 440° and tilts 306°. Movement may be optimized for speed by setting the pan/tilt speed
(
PTSP) personality to FAST, or for smoothness by setting it to SLOW. The setting may be overridden on the speed
channel in vector mode. Setting the movement speed to “blackout” in vector mode causes the shutter to black out the
light while the mirror is moving. The pan and tilt channels (DMX) can be inverted and/or swapped for convenience
using the pan/tilt (
PATI) menu.
Color wheels
The MAC 500/E has 2 9-position-plus-open color wheels, yielding a total of 100 possible combinations. The 4 temper-
ature correction filters and 14 dichroic colors combine in 67 useful ways that can be called on 1 DMX channel. Both
wheels can be scrolled, allowing for split color effects, snapped to fixed positions, and continuously rotated in both
directions at different speeds. The 67 colors can be called randomly on DMX channel 4.
The Shortcuts (
SPEC/SCUT) setting determines whether the wheels take the shortest path to the next position or
turn in one direction only. 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 wheels are moving.
Focus
The beam may be focused from 2 meters (6.5 feet) to infinity. The beam angle with the standard lenses is 17°. An
optional 23.5° wide-angle lens set is available as well. See “Accessories” on page 35.
Fixed (static) gobos
There are 2 operating modes available for the fixed-gobo wheel, which has 9 positions for metal gobos plus an open
position. In “fixed” mode (
SPEC/gMOd/FIX), the wheel steps between fixed positions and shakes at variable
speeds. In “scroll” mode (
SPEC/gMOd/SCRL), the wheel scrolls continuously, shakes at 1 speed, and rotates in
2 directions at variable speed.
Setting the fixed-gobo speed to “blackout” in vector mode causes the shutter to black out the light while the wheel
turns from one position to another.