Optoma H27 User Manual - Page 37
Throw Angle
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English Throw Angle Appendices W(640X480) H' (854X480) H B(854X480) LA D(854X480) W(854X480) Throw Ratio (TR) = 1.87 as Wide mode A = 9.23° B (854 x 480) = 24.86° W (854 x 480) = L/TR W (640 x 480) = W (854 x 480) x 0.75 H' = L x tan (A) H (854 x 480) = W (854 x 480) x 0.5625, H (640 x 480) = W (640 x 480) x 0.75 Display Format A 16:9 854 x 480 9.23 4:3 640 x 480 9.23 B L (cm) W (cm) H (cm) H' (cm) D (cm) D (in) 24.86 244.00 130.48 73.40 39.64 149.70 58.94 24.86 244.00 97.86 73.40 39.64 122.30 48.15 37
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E
nglish
37
Throw Angle
L
H'
H
(854X480)
A
B
(854X480)
W
(854X480)
W
(640X480)
D
(854X480)
Throw Ratio (TR) = 1.87 as Wide mode
A = 9.23°
B (854 x 480) = 24.86°
W (854 x 480) = L/TR
W (640 x 480) = W (854 x 480) x 0.75
H’ = L x tan (A)
H (854 x 480) = W (854 x 480) x 0.5625,
H (640 x 480) = W (640 x 480) x 0.75
Display Format
A
B
L (cm)
W (cm)
H (cm)
H' (cm)
D (cm)
D (in)
16:9
854 x 480
9.23
24.86
244.00
130.48
73.40
39.64
149.70
58.94
4:3
640 x 480
9.23
24.86
244.00
97.86
73.40
39.64
122.30
48.15
Appendices