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Screen size
(diagonal)
b
Projection distance
c1
Screen height
c2
Screen height
type(inch)
m
m
inch
m
inch
m
inch
60
24
6
42
70
28
7
49
80
32
7
55
90
36
8
62
100
40
9
69
D
On a horizontal surface
Suspended from the ceiling
a
c2
c1
b
a
c2
c1
b
Setting up
Arrangement (continued)
