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Section 3: Operation
J Series 2.0, 2.4, and 3.0kW User Manual
3-45
020-100707-01 Rev. 1 (10-2011)
•
Show Blending Overlap
turns your defined blend width area to solid grey so that, if needed, simply
overlapping the grey bars can seamlessly align two adjacent images. Toggle the
Show Blending Overlap
off
to reactivate the blend effect.
NOTE:
Blending Overlap appears as
Reserved
when Christie TWIST is
installed.
Other Functions
For convenience, the
Edge Blending
submenu also includes related options for enabling a specific color and/
or test pattern, or for working with colors or the lamp. Such functions duplicate those provided elsewhere in
the menu system.
Edge Blending Procedure
NOTES: 1)
Before attempting to work with edge blending software functions, align the projectors/images by
correctly overlapping the displays from your intended external source.
2)
Match colors and the 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 check box.
3.
SET STARTING POINTS FOR ADJUSTMENT
a. Set all blend widths to 0.
b. Go to
More
and set everything in the
Edge Blending
menu to 50.
4.
SET BLEND WIDTH
On one projector, increase the
Blend Width
for an overlapping edge (for example, if
the projector 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 grey. For the shared edge, use the same
Blend Width
setting on
each projector.
NOTE:
If the best blend appears to be between two settings, select the wider setting for both
projectors.
6.
CHECK BLEND
If the blended region appears too dark or light in relation to the rest of the image:
a. Increase
Blend Midpoint
in both projectors to “lighten” the overall blend, decrease to “darken” the
overall blend.
b. Adjust
Blend Shape
in both projectors to fine-tune change the amount of mid-grey 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. If necessary, adjust the mechanical alignment 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).
NOTE:
Recommended overlap is 12.5% -
25%.
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