BenQ LX890USTD User Manual page 16

Image adjustment area
LX890USTD
The screen aspect ratio is 4:3 and the projected picture is in a 4:3 aspect ratio.
Diagonal (M)
Inch mm
73 1854
78 1981
83 2108
88 2235
93 2362
98 2489
100 2540
101 2565
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.
16 Positioning your projector
-1.5 cm
Screen size
Height Width
(h) (W)
(mm) (mm)
1113 1483
1189 1585
1265 1687
1341 1788
1417 1890
1494 1991
1524 2032
1539 2052
Center: 0
+1.5 cm
Adjustment area
M
h
W
Minimum Vertical
Ceiling height offset
a
V
H
(mm) (mm)
2359 185.4
2449 198.9
2538 212.3
2628 225.8
2718 239.3
2807 252.7
2843 258.1
2861 260.8
+3.5 cm
Center: 0
-3.5 cm
Installation distance (D)
b
X =0 mm X
(D=a) (D=a+30 mm)
(mm)
118
150
182
214
246
278
291
298
c
=30 mm
(mm)
148
180
212
244
276
308
321
328