When projecting to a wide screen from multiple projectors, you can adjust
the difference of brightness and color tone between each projected image to
create a seamless screen.
a
• Set 4K Enhancement to Off. (EB-G7905U/EB-G7900U/EB-G7500U/
EB-G7400U only)
• We recommend setting the focus, zoom, and lens shift at least
20 minutes after you start the projection, because images are not
stable right after turning on the projector.
• If the values for Geometric Correction are large, the image position
adjustment for overlapping images becomes difficult.
• The Test Pattern can be displayed to adjust the projection status
without connecting video equipment.
s "Displaying a Test Pattern" p.32
• If you project a dot by dot image that can be projected without
being enlarged or reduced, you can make adjustments precisely.
Preparation
Follow the steps below to adjust the projected images for the multi-
projection function.
a
Set an ID for the projector and the remote control.
s "Set the projector ID" p.41
b
Adjust the position of the projected image in the following order
(starting from the adjustments that have larger corrections).
(1) Projector's position (angle)
s "Installation Settings" p.28
(2) Lens shift/Zoom
s "Adjusting the Position of the Projected Image (Lens Shift)" p.33
s
"Adjusting the Image Size" p.36
(3) Correct the four image corners
s "Quick Corner" p.64
(4) Correct the slight position misalignment that occurs when matching the
projected images
s "Point Correction" p.86
c
Set the Color Mode to Multi-Projection with the [Color Mode]
button.
When set to another color mode (except for sRGB), the border
between multiple images may be noticable even with correction using
Edge Blending.
d
Adjusts the color tone for the whole screen as necessary.
s "Color Uniformity" p.200
Edge Blending
Follow the steps below to adjust so that the overlapping areas of the images
are less noticeable.
(1) Fine tune the overlapping areas to make seamless screen.
s "Adjust the Edges of the Images (Edge Blending)" p.103
Multi-Projection Function
102
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