Control panel 17
The automatic pan/tilt position correction system may be temporarily turned off under UTIL/FEbA. The off
setting, however, is not saved and the system will be re-enabled the next time the fixture starts. If the system cannot
correct the pan/tilt position within 10 seconds, feedback is automatically disabled.
Adjustment
The adjustment menu (UTIL/Adj) provides manual control for making mechanical adjustments. See page 35.
Calibration
The calibration menu (UTIL/CAL) provides utilities to define offsets in software that are relative to the
mechanical reset or home positions. This allows you to fine tune optical alignment and achieve uniform performance
between fixtures. Dimmer and zoom are calibrated to defined points. The other effects are calibrated relative to an
arbitrary reference fixture.
Default offset settings may be restored by selecting default offsets (
UTIL/dFOF).
C
ALIBRATING
EFFECTS
1 Apply power but do not strike the lamp until zoom has been calibrated.
2 To calibrate zoom, first remove the bottom head cover. Select
UTIL/CAL/ZOOF and press [Enter].
Adjust the offset until the face of the zoom lens plate is flush with the back edge of the focus plate (Figure
14). Press [Enter] to save the setting. Replace the bottom head cover.
3 Pan calibration is most useful when multiple fixtures are stacked vertically. To calibrate, set zoom, focus, iris,
and tilt position for easy one-over-the-other comparison and set each fixture to the same pan DMX value.
Select one fixture to be the reference fixture. On the other fixtures, select
UTIL/CAL/P OF and press
[Enter]. Adjust the offset as necessary to align the beam with the reference beam. Press [Enter] to save the
setting.
4 Tilt calibration is most useful when multiple fixtures are arranged horizontally. To calibrate, set zoom, focus,
iris, and pan position for easy side-by-side comparison and set each fixture to the same tilt DMX value.
Select one fixture to be the reference fixture. On the other fixtures, select
UTIL/CAL/T OF and press
[Enter]. Adjust the offset as necessary to align the beam with the reference beam. Press [Enter] to save the
setting.
5 To calibrate the dimmer, select
UTIL/CAL/D OF and press [Enter]. Hold a piece of paper over the
lens. Set the offset to 0 and then increase it until light is clearly projected onto the paper. Press [Enter] to
save the setting. Remove the paper.
6 To calibrate color mixing flags (cyan, magenta, yellow, and color temperature correction), project white
beams with no dimming and position them for easy comparison. On each fixture, including the reference,
select
UTIL/CAL/C OF and press [Enter]. (This adds a defined amount of cyan.) Select one fixture to
be the reference. Adjust the offsets on the other fixtures to match the reference color. Press [Enter] to save
the setting. Repeat for
M OF (magenta), Y OF (yellow), and CTOF (CTC).
Figure 14: Zoom calibration point
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