Framing; Beam Effect (Rotating Prism); Iris; Frost - Martin MAC Viper Performance User Manual

Framing

The 4-blade framing module in the MAC Viper Performance can be rotated to an indexed position within a
range of 110°. With independent control of angle and amount of insertion for each blade, it can form the
beam into any shape with three or four sides.

Beam effect (rotating prism)

The four-facet prism can be applied at indexed angles or rotated with variable direction and speed.

Iris

The iris diameter can be varied continuously from fully open to closed.

Frost

The extent to which the frost filter is added to the beam is variable 0 - 100%.

Focus and zoom

The focus system allows sharp or soft projections. Focus range varies with zoom angle. At the narrowest
zoom angle, nearest focus is approximately 6 meters (20 feet). As the zoom angle is widened, the nearest
focus distance is reduced, down to approximately 2 meters (6.8 ft.), and far focus can be set to
approximately infinity.
The separate zoom lens varies the focused beam angle from 10° to 44° with the standard lens installed.
Zoom/focus linking
Focus can be linked to zoom so that it automatically adjusts to match changes in zoom angle. Focus on
rotating gobos matches zoom closely, while focus on the gobo animation wheel matches zoom best in the
center of the zoom range and slightly less precisely at the two extremes of the zoom range.
Linked zoom/focus works within 3 distance ranges (figures are approximate):
• Near (5 - 10 meters)
• Medium (10 - 20 meters)
• Far (20 meters - infinity)
To link zoom and focus, select a distance range using the Fixture Control/Settings DMX channel or FOCUS
TRACKING in the control panel PERSONALITY menu. Then adjust focus to obtain the required degree of
sharpness. Linking is now enabled and focus will auto-adjust.

Pan and tilt

Coarse and fine pan and tilt control are available in both basic 16-bit and extended 16-bit modes.
6 MAC Viper Performance User Guide