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Before installation (continued)
Diagonal (SD)
3.05 (120")
3.81 (150")
5.08 (200")
„ Projection distance formula (when the aspect ratio is 4:3)
„
To use an image size not listed in this manual, check the projected image size SD (m) and use the respective
formula to calculate projection distance (L).
The unit of "m" applies to all the data in the formula. (Value obtained by the following calculation formula may
be of some deviation.)
When calculating a projection distance using image size designation (value in inches), multiply the value in
inches by 0.0254 and substitute it into SD in the formula for calculating the projection distance.
„ Mounting hole dimensions
„
Unit: mm
<Attachment plate diagram>
39 (1-17/32")
10 - ENGLISH
Projected image size
Height (SH)
1.829
2.286
3.048
Minimum projection
distance (LW)
Maximum projection
distance (LT)
78 (3-1/16")
Shaft
60 (2-3/8")
Width (SW)
Min. (LW)
2.438
3.28
3.048
4.10
4.064
5.48
L = 1.0907 × SD - 0.0507
L = 2.3468 × SD - 0.0379
<Hole position dimension for the wall or ceiling>
60 (2-3/8")
30 (1-3/16")
M10 bolt hole
(for hanging bolt)
M10 bolt hole
(for hanging bolt)
Projection distance (L)
Max. (LT)
7.12
8.90
11.88
Projector pole
center position
Installation position for wood screws
with nominal diameter of 3.1mm (1/8 " )
(x 2)
Installation position for wood
screws with nominal diameter
of 4.1mm (5/32 " ) (x 4)
Installation position for wood screws
with nominal diameter of 3.1mm (1/8 " )
(x 2)
Distance from the
lens centre to the
end of image (H)
0.610
0.762
1.016
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