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Setting up
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- ENGLISH
Getting Started
J
Projection distance for PT-CW330E, PT-CW240E
For 16:10 aspect ratio (unit: m)
Q
(There maybe some errors in the dimensions shown in the table below.)
Projection size
Throw
distance A
Throw
distance B
Projector top to
Bottom of the
screen
Projector bottom to
Bottom of the screen
Diagonal (SD) Height (SH) Width (SW)
1.778 (70") 0.942 1.508 0.516 0.181 0.161 0.236
2.032 (80") 1.077 1.723 0.597 0.262 0.194 0.269
2.286 (90") 1.212 1.939 0.678 0.343 0.228 0.303
2.540 (100") 1.346 2.154 0.759 0.424 0.262 0.337
For 16:9 aspect ratio (unit: m)
Q
(There maybe some errors in the dimensions shown in the table below.)
Projection size
Throw
distance A
Throw
distance B
Projector top to
Bottom of the
screen
Projector bottom to
Bottom of the screen
Diagonal (SD) Height (SH) Width (SW)
1.778 (70") 0.872 1.550 0.532 0.197 0.216 0.291
2.032 (80") 0.996 1.771 0.615 0.280 0.257 0.332
2.286 (90") 1.121 1.992 0.698 0.363 0.299 0.374
For 4:3 aspect ratio (unit: m)
Q
(There maybe some errors in the dimensions shown in the table below.)
Projection size
Throw
distance A
Throw
distance B
Projector top to
Bottom of the
screen
Projector bottom to
Bottom of the screen
Diagonal (SD) Height (SH) Width (SW)
1.778 (70") 1.067 1.422 0.591 0.256 0.191 0.266
2.032 (80") 1.219 1.626 0.683 0.348 0.229 0.304
Calculation formulas for projection distance
Q
Any other projection distance can be obtained according to the screen dimensions (m) using the following
calculations.
The calculation result is with the "m" unit. (The calculated distance below may contain a certain error.)
If the screen dimensions are written as "SD",
For 16:10 aspect ratio For 16:9 aspect ratio For 4:3 aspect ratio
Screen height (SH) = SD × 0.530 = SD × 0.490 = SD × 0.6
Screen width (SW) = SD × 0.848 = SD × 0.872 = SD × 0.8
Throw distance A = 0.3189 × SD
-
0.0508 = 0.3276 × SD
-
0.05072 = 0.3610 × SD
-
0.05069
Attention
In order to maintain the performance of the lens, please set up the Throw diatance A between 0.516 m to 0.759 m.
z
Note
The throw ratio is 0.35:1 when the projection size is 80 inch.
z
22


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