Chapter 2 Getting Started — Setting up
ENGLISH - 33
L (LW/LT)
*1
Projection distance
SH Projected image height
SW Projected image width
H Distance from the lens center to the bottom edge of the projected image
SD Projected image size
*1 LW: Minimum projection distance
LT: Maximum projection distance
[GEOMETRY] projection range
[VERTICAL KEYSTONE] (viewed from the side) [HORIZONTAL KEYSTONE] (viewed from above)
Screen
Screen
Vertical arc correction (viewed from the side) Horizontal arc correction (viewed from above)
Screen
Projection distance
Arc radius
Screen
Projection distance
Arc radius
Arc center
Screen
Projection distance
Arc radius
Arc center
Screen
Projection distance
Arc radius
Only [KEYSTONE] used [KEYSTONE] and [CURVED CORRECTION] used together
Only [CURVED CORRECTION]
used
Vertical
keystone
correction
angle α (°)
Horizontal
keystone
correction
angle β (°)
Vertical
keystone
correction
angle α (°)
Horizontal
keystone
correction
angle β (°)
Min. value of
R2/L2
Min. value of
R3/L3
Min. value of
R2/L2
Min. value of
R3/L3
±40 ±20 ±20 ±15 0.9 1.7 0.5 1.0
Note
f
When [GEOMETRY] is used, the focus of the entire screen may be lost as correction increases.
f
Make the curved screen a circular arc shape with one part of a perfect circle removed.
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