Martin MAC 250+ User Manual page 14

The MAC 250
and set the position on channel 5. The gobo type setting (
+
MAC 250 to enable this feature. It defaults to
The Shortcuts setting (
tion; this setting may be overridden on the effects speed channel. Setting the speed to "blackout" causes the shutter to
black out the light while the wheel turns.
To change the gobos, see "Rotating gobos" on page 15.
D i m m e r / s h u t t e r
The mechanical dimmer/shutter system provides full, high-resolution dimming, "instant" open and blackout, random
and variable strobe effects, and random and variable pulses in which the dimmer snaps open and slowly dims or snaps
closed and slowly opens. Pulse and random strobe effects can be disabled by switching DMX Macros (
dMA C
) off.
The Dimmer Mode (
The fade time must be 0 to simulate tungsten dimming.
F o c u s
The beam may be focused from approximately 2 meters (6.5 feet) to infinity. The MAC 250's default beam angle is
17.5°; see page 17 for additional options. The MAC 250
provides a beam angle of 18.3°.
R o t a t i n g p r i s m
The 3-facet prism rotates in both directions at varying speeds. There are 8 preprogrammed macros that combine prism
and gobos. These can be disabled by switching DMX Macros (
causes the shutter to black out the light while the prism moves in and out.
P a n a n d t i l t
The yoke pans 540° and the head tilts 289°. Movement may be optimized for speed by setting the pan/tilt speed setting
( PER S / PTSP
channel in vector mode. Setting the speed to "blackout" causes the shutter to black out the light while the head is mov-
ing. The pan and tilt channels can be inverted and/or swapped using the pan/tilt menu (
14
+
provides gobo indexing as well. Select the gobo on channel 4, between the DMX values of 5 and 44,
PE RS/S CUT
) determines whether or not the wheel takes the shortest path to the next posi-
PER S dMO d
/ ) setting allows you to select between linear or simulated tungsten fade curves.
) to FAS T , or for smoothness by setting it to
MAC 250 and MAC 250
P ERS /GTY P
S Td
in the MAC 250.
+
has a different optical system that uses achromatic lenses. It
PE RS/d MAC
SLOW . This setting may be overridden on the speed
+
) automatically defaults to IN dX
) off. Setting the speed to "blackout"
PE RS / PAT I ).
in the
PER S/