Martin MAC 250+ Manual de usuario descargar pdf (Pagina 14)

MAC

250 and

MAC

250

The MAC 250

provides gobo indexing as well. Select the gobo on channel 4, between the DMX values of 5 and 44,

and set the position on channel 5. The gobo type setting (

PERS/GTYP) automatically defaults to INdX in the

MAC 250

to enable this feature. It defaults to STd in the MAC 250.

The Shortcuts setting (

PERS/SCUT) determines whether or not the wheel takes the shortest path to the next posi-

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.

Dimmer / shutter

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 (PERS/

dMAC

) off.

The Dimmer Mode (PERS / dMOd) setting allows you to select between linear or simulated tungsten fade curves.

The fade time must be 0 to simulate tungsten dimming.

Focus

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

has a different optical system that uses achromatic lenses. It

provides a beam angle of 18.3°.

Rotating prism

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 (

PERS/dMAC) off. Setting the speed to “blackout”

causes the shutter to black out the light while the prism moves in and out.

Pan and tilt

The yoke pans 540° and the head tilts 289°. Movement may be optimized for speed by setting the pan/tilt speed setting

(

PERS / PTSP) to FAST, or for smoothness by setting it to SLOW. This setting may be overridden on the speed

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 (

PERS / PATI).

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Martin MAC 250+ Manual de usuario Pagina 14