S PEC F ILE
PT-CX300
Ultra Short-Throw DLP
™
Projector
6/13
Calculation of the projection distance
For a screen size different from the above, use the equation below to calculate the projection distance.
Aspect ratio 4:3
A (m) = (diagonal screen size in inches) × 0.00940 – 0.0415
NOTE:
Distances calculated with the above equations will include a slight error.
60
70
80
90
Screen size
(inch, diagonal)
A: Distance from the edge
of the projection window
to the screen
B: Distance from the
projector front
to the screen
E: Height from the edge of
the screen to the
top of the projector
F: Height from the edge of
the screen to the
bottom of the projector
0.6
0.9
1.2
1.5
1.7
2.0
2.3
2.6
1.1
1.2
1.4
1.5
0.6
0.7
0.9
1.0
Unit: feet
As of June 2013
SFD12M018-2
60
70
80
90
Screen size
(inch, diagonal)
A: Distance from the edge
of the projection window
to the screen
B: Distance from the
projector front
to the screen
E: Height from the edge of
the screen to the
top of the projector
F: Height from the edge of
the screen to the
bottom of the projector
0.19
0.28
0.38
0.47
0.52
0.62
0.71
0.80
0.33
0.37
0.41
0.45
0.17
0.22
0.26
0.30
Projection distance for 4:3 aspect ratio screen
Unit: meters
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