Matrix StIM/SIM Setup Guide
3-1
020-100397-02 Rev. 1 (11-2012)
3 Setup
3.1
Optical Alignment
Only perform image alignment once the projector is fully assembled and powered up in its final location. Basic
image alignment ensures the image reflected from the DMDs is parallel to, and well-centered with the lens and
screen. This initial optical alignment is the foundation for optimizing images on the screen, and must be
completed before final boresight adjustments. Before beginning make sure that the projector is properly
positioned relative to the screen.
3.1.1 Basic Optical Alignment Procedure
1.
Display a test pattern:
Appropriate for analyzing image focus and geometry, such as the “framing” test
pattern showing the cross-hair centered across the image. Press the
T
EST
key on the remote keypad.
2.
Coarse focus:
Do a quick preliminary focus and (if available) zoom adjustment with the primary lens. Do
not worry about consistency across the image at this point, just center focus. It is good practice to have the
zoom adjustment collar and focus adjustment collar in the center of its range.
3.
Center the image in the lens:
Holding a piece of paper at the lens surface, adjust offsets as necessary until
the image is centered within the lens perimeter. A full white field works best for this.
4.
If necessary, center the image on the screen:
If the projector is mounted off center to the screen axis,
then offset the lens as much as required. Aim the projector over slightly towards the center of the screen,
but use caution, as too much tilt will cause excessive keystone distortion. Lens offset will not.
5.
Re-check side-to-side leveling:
With the framing pattern on screen, double-check projector leveling
so
the
top edge
of the image is parallel to the top edge of the screen.
6.
Throw distance:
Make sure that the projector is positioned in the throw distance range for the lens in use.
3.1.2 Boresight Alignment (Advanced Optical Alignment Procedure)
1. Display the Boresight Test Pattern by pressing the
T
EST
key on the remote keypad, then use the
L
EFT
arrow
key to cycle to boresight.
2. Focus the image on cross-hair pattern at the image center. Evaluate the focus on cross-hair image I and II.
If all 3 images are in focus, no further action is required.
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