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INSTALLATION SET-UP INSTRUCTION
Desk Top Projection Distance and Screen Size for XG75A
• The following shows the relative position relationship of the projector with the screen. See table below.
Desk Top System
Screen center
D
α
12.1°
Screen size H-Width
48"
(4:3 Diagonal)
(60")
inch
70.28
A
mm
1785
inch
24.81
D
mm
631
NOTE:
• The projection distance is based on the screen width.
• Sizes not found between 48 (60) and 240 (300) inches are determined by the following formulae:
Units=inches W"=Screen H-Width
A = (25/96 W" 12.5) 4.99 70.28
β
D = (
A) 10.08
Units=mm W"=Screen H-Width
A = (25/96 W" 12.5) 126.64 1785
β
D = (
A) 256
α
α
12.4°
56"
64"
72"
(70")
(80")
(90")
81.54
91.26
101.74
2071
2318
2584
27.17
29.68
31.93
691
754
811
A
α
Desk top line
A:Distance between the lens and the screen center
D:Distance between the desk top and the screen center
12.6°
80"
96"
120"
(100")
(120")
(150")
112.68
133.43
164.69
2862
3389
4183
34.28
38.73
46.01
871
984
1169
Screen size (Diagonal)
60–79"
80–129"
130–179"
180–300"
6
Line of sight
12.7°
144"
160"
192"
(180")
(200")
(240")
196.11
214.02
258.51
4981
5436
6566
53.20
57.13
66.91
1351
1451
1700
α
β
12.1°
0.210
12.4°
0.215
12.6°
0.218
12.7°
0.220
216"
240"
(270")
(300")
290.48
315.67
7378
8018
73.94
79.48
1878
2019
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