Martin MAC 250+ Manual de usuario descargar pdf (Pagina 15)

DMX-512 control 15

angle or rotation speed are selected on channel 5 (channel 7 in 16-bit Extended mode). Fine tuning of this

index position or rotation is available on channel 6 (channel 8 in 16-bit Extended mode).

The gobo wheel can also rotate continuously in both directions at variable speed.

FIXED GOBOS (MAC 250 ENTOUR ONLY)

The MAC 250 Entour provides an additional wheel with 10 fixed gobo positions (plus open). The gobo and

the type of movement are selected on channel 7 (channel 9 in 16-bit Extended mode). The gobo wheel can

also rotate continuously in both directions at variable speed.

FOCUS

The beam may be focused from approximately 2 meters (6.5 feet) to infinity using channel:

• 7 in 16-bit mode on the MAC 250 Krypton

• 9 in 16-bit Extended mode on the MAC 250 Krypton

• 8 in 16-bit mode on the MAC 250 Entour

• 10 in 16-bit Extended mode on the MAC 250 Entour

ROTATING PRISM

The prism is controlled using channel:

• 8 in 16-bit mode on the MAC 250 Krypton

• 10 in 16-bit Extended mode on the MAC 250 Krypton

• 9 in 16-bit mode on the MAC 250 Entour

• 11 in 16-bit Extended mode on the MAC 250 Entour

The prism may be inserted and removed from the light path. It rotates in both directions at varying speeds.

PAN AND TILT

Head pan and tilt are controlled on channels

• 9-12 in 16-bit mode on the MAC 250 Krypton

• 12-15 in 16-bit Extended mode on the MAC 250 Krypton

• 10-13 in 16-bit mode on the MAC 250 Entour

• 13-16 in 16-bit Extended mode on the MAC 250 Entour

The course control channel sets first 8 bits (the most significant byte or MSB), and the fine channel sets the

second 8 bits (the least significant byte or LSB) of the 16-bit control byte. In other words, the fine channel

fine-tunes the position set by the course channel.

Speed control

The speed control channels are:

• 13 & 14 in 16-bit mode on the MAC 250 Krypton

• 16 & 17 in 16-bit Extended mode on the MAC 250 Krypton

• 14 & 15 in 16-bit mode on the MAC 250 Entour

• 17 & 18 in 16-bit Extended mode on the MAC 250 Entour

TRACKING CONTROL

Tracking control for pan/tilt and the various effects is enabled by setting the speed channels to 0.

With tracking control, the speed at which effects fade from one scene or position to the next (cross-fade

speed) is determined by the controller. The controller divides the move into steps and updates the fixture

with small changes at the rate required to achieve the fade. The fixture “tracks” the changes and averages

them with a digital filter algorithm to provide smooth movement.

VECTOR CONTROL

Alternatively, with vector control, effects movement speed is determined by the values selected on the

speed channels. This makes it possible to modify the speed of cross-fades when using a controller that

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Martin MAC 250+ Manual de usuario Pagina 15

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