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LX890UST
The screen aspect ratio is 4:3 and the projected picture is in a 4:3 aspect ratio.
a.
base on an image 762 mm from the floor, if the image is lower, the min ceiling height is reduced by the
measurement.
b. Assume the thickness of projection screen(X) is 0 mm.
c. Assume the thickness of projection screen(X) is 30 mm.
Screen size
Minimum
Ceiling height
Vertical
offset
Installation distance (D)
Diagonal (M)
Height
(h)
Width
(W)
H
a
V
X
b
=0 mm
(D=a)
X
c
=30 mm
(D=a+30 mm)
Inch
mm
(mm)
(mm)
(mm)
(mm)
(mm)
(mm)
73
1854
1113
1483
2359
185.4
118
148
78
1981
1189
1585
2449
198.9
150
180
83
2108
1265
1687
2538
212.3
182
212
88
2235
1341
1788
2628
225.8
214
244
93
2362
1417
1890
2718
239.3
246
276
98
2489
1494
1991
2807
252.7
278
308
100
2540
1524
2032
2843
258.1
291
321
101
2565
1539
2052
2861
260.8
298
328
M
W
h
-1.5 cm
+1.5 cm
+3.5 cm
-3.5 cm
BenQ QSG-L890UST.book Page 8 Wednesday, April 18, 2018 8:18 AM
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