Edge Blending Procedure - Christie Mirage HD User Manual

Mirage S+/HD, Matrix S+/HD, Christie HD/DS/DW, DLV User's Manual
020-100001-04 Rev. 1 (12/07) - Software v1.6g or higher

Edge Blending Procedure

NOTE: Before attempting to work with edge blending software functions, you must 1)
physically align the projectors/images by correctly overlapping the displays from your
intended external source, and 2) Match colors and Brightness Uniformity.
IMPORTANT: For a shared edge, all Blend procedures and settings should be identical
on BOTH projectors.
1. Start with two projectors. Display full white field test pattern from both.
2. In the Edge Blending submenu, enable Edge Blending by entering a checkmark in
the top checkbox.
3.
SET STARTING POINTS FOR ADJUSTMENT
•
Set all blend widths to 0.
•
Go to "More" and set everything in the Edge Blending (2) menu to 50.
Figure 3.22. Set Starting Points for Each Projector
4. : On one projector, increase the Blend Width for an overlapping
SET BLEND WIDTH
edge (for example, if the projector's image is on left, its right edge overlaps the
adjacent image—adjust Right Blend Width). Use the same setting on the second
projector for this shared edge.
5. Re-adjust width (both projectors) until the overly bright band at the midpoint of the
overlapping blends disappears or just changes to very light gray. For the shared
edge, use the same Blend Width setting on each projector. If the "best blend"
appears to be between two settings, choose the wider setting for both projectors.
6. If the blended region appears too dark or light in relation to the rest
CHECK BLEND:
of the image:
•
Increase Blend Midpoint in both projectors to "lighten" the overall blend,
decrease to "darken" the overall blend.
•
Adjust Blend Shape in both projectors to fine-tune change the amount of mid-
gray intensity (as opposed to black/white) in the blend.
7. Repeat with remaining projectors / overlaps.
8. Check completed display wall with the desired external signal.
9. Adjust mechanical alignment if necessary to maintain perfect pixel-on-pixel
alignment over time.
In applications where you are projecting only white or light images, the Blend Width
may be slightly higher—set according to how much overlap you have between
images. Use the following as a guide (examples show overlapping width only—values
for overlapping height will differ):
.
Section 3: Operation
:
3-69