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Changing the aperture ring
The MAC 2000 Wash comes factory fitted with a 50 mm (2 in) aperture ring (identified by 5 small holes), and
3 optional rings:
• 30 mm (1.2 in) - identified by 3 small holes
• 40 mm (1.6 in) - identified by 4 small holes
• 45 mm (1.8 in) - identified by 4 small holes and a half-crescent
Use of the smaller apertures will result in less light output and a narrower beam angle.
To change aperture ring:
1 Disconnect the fixture from power and allow it to cool.
2 Lock the head horizontally with the top cover up.
3 Remove the top cover of the fixture using a flathead screwdriver to unlock the four quarter-turn screws.
4 The additional aperture rings can be found secured to the chassis with a thumb screw just behind the front
lens (see the following illustration). Remove the thumb screw and select the appropriate aperture ring.
5 Remove the currently installed aperture ring, from just behind the zoom lens, by pushing and twisting it.
6 Install the replacement aperture ring, lock the others in place behind the front lens using the thumb screw,
and replace the fixture cover.
Installing the optional dimmer wheel
An optional dimmer wheel (orderable separately and supported from firmware version 1.6) can be installed
in place of color wheel 2.
To install the dimmer wheel:
1 Disconnect the fixture from power and allow it to cool.
2 Lock the head horizontally with the top cover up.
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MAC 2000 Wash
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