LG BE320-SD Owner's Manual page 21

Installation
Diagonal length
(inch) size of 4:3
Screen
30
40
60
70
80
90
100
120
150
180
250
300
 Both side view and top view refer to the above table.
 This table is for user's reference only.
0
English
Screen Size W x H
(meter) (inch)
Width Height Width
0.610 0.457 24
0.813 0.610 32
1.219 0.914 48
1.422 1.067 56
1.626 1.219 64
1.829 1.372 72
2.032 1.524 80
2.438 1.829 96
3.048 2.286 120
3.658 2.743 144
5.080 3.810 200
6.096 4.572 240
Projection Distance (D)
(meter)
Height wide tele
18 1.183 1.301
24 1.577 1.735
36 2.365 2.602
42 2.759 3.035
48 3.154 3.469
54 3.548 3.903
60 3.942 4.336
72 4.731 5.204
90 5.913 6.504
108 7.096 7.805
150 9.855 10.841
180 11.826 13.009
Offset (Hd)
(feet)
wide tele (m)
3.880 4.268 0.069
5.173 5.691 0.091
7.760 8.536 0.137
9.053 9.959 0.160
10.347 11.381 0.183
11.640 12.804 0.206
12.933 14.227 0.229
15.520 17.072 0.274
19.400 21.340 0.343
23.280 25.608 0.411
32.333 35.567 0.572
38.800 42.680 0.686
(feet)
0.225
0.300
0.450
0.525
0.600
0.675
0.750
0.900
1.125
1.350
1.875
2.250