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Adjusting Projected Images
Curved Surface
Manually correct distortion that occurs when projecting on a curved
surface, and adjust the amount of expansion and contraction.
Project from the front with the horizontal lens shift in the center.
"Adjusting the Position of the Projected Image (Lens Shift)"
s
a
• Project onto an arc surface with the same radius.
• If a large amount of adjustment is performed, the focus may not be
uniform even after making adjustments.
Correction range
The correction ranges are shown in the following tables.
EB-G6970WU
Horizontal curved surface (concave)
L
p.30
R
As seen from directly above
The following shows the minimum R/L for the illustration above.
(The closest value when projecting at maximum zoom. ELPLR03 does not
support lens shift.)
Lens Type
Standard zoom lens: ELPLS07
Short throw zoom lens:
ELPLU01
Rear projection wide lens:
ELPLR03
Middle throw zoom lens:
ELPLM04
Middle throw zoom lens:
ELPLM05
A
Screen
B
Center of circle formed by curved
surface
L
Projection distance
R
Radius of circle formed by curved
surface
Vertical Lens Shift:
Vertical Lens Shift:
Center
Maximum
As seen from the side
As seen from the side
0.4
0.9
1.4
3.6
0.9
0.2
0.3
0.1
0.2
54
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