Distance Chart
Wall Mount Chart
Dimensions
W770ST Digital Projector
4.5”
10.0”
12.7”
Unit: inch
Unit: inch
Installation for a 16:9 ratio screen
Screen Dimensions
Projection Distance <D> (inch)
Vertical offset
<E> (inch)
Diagonal <A> Height <B>
(inch)
Width <C>
(inch)
Min Distance
Average
Max Distance
Inch
mm
(with max zoom)
(with min zoom)
40
1016
20
34
25.1
27.7
30.2
1.4
50
1270
24
44
31.4
34.6
37.7
1.8
60
1524
29
52
37.7
41.5
45.3
2.2
70
1778
34
61
44.1
48.5
52.9
2.5
80
2032
38
70
50.3
55.4
60.4
2.9
90
2286
44
78
56.6
62.3
68.0
3.3
100
2540
49
87
62.9
69.2
75.5
3.6
110
2794
54
96
69.2
76.2
83.1
4.0
120
3048
59
104
75.5
83.1
90.7
4.4
130
3302
64
113
81.8
90.0
98.2
4.7
140
3556
68
122
88.1
97.0
105.8
5.1
150
3810
73
130
94.4
103.9
113.3
5.5
160
4064
78
139
100.7
110.8
120.9
5.8
170
4318
83
148
107.0
117.7
128.5
6.2
180
4572
88
156
113.3
124.7
136.1
6.6
190
4826
93
165
119.6
131.6
143.6
6.9
200
5080
98
174
125.9
138.5
151.1
7.3
250
6350
122
218
157.4
173.2
188.9
9.2
300
7620
147
261
188.9
207.8
226.7
11.0
