Optoma HD80 User Manual - Page 16

Adjusting the Projector's Zoom / Focus, Adjusting Projection Image Size - throw distance

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Installation Adjusting the Projector's Zoom / Focus Turn the Zoom Lever to zoom in or zoom out. To focus the image, turn the focus ring until you see a clear image. The projector will focus at distances from 4.9 to 39.4 feet (1.5 to 12.0 meters) and the projection screen size from 0.775m~7.62m (30.5"~300") at 16:9 mode with mechanical travel. Zoom Lever Focus Ring Adjusting Projection Image Size Side View Front View W1 (1440X1080) H' (1920X1080) H 16 B(1920X1080) LA D W (1920X1080) 0 (1920X1080) Throw Ratio (TR)=1.85 as Wide mode A=6.25° B (1920x1080)=22.47° W0 (1920x1080)=L/TR H'=L X tan(A) H (1920x1080)=W0 (1920x1080) X 0.56 Display Format A L B (cm) W1 (1440x1080)=W0 (1920x1080) X 0.75 H (1440x1080)=W1 (1440x1080) X 0.75 W H H' D D' (cm) (cm) (cm) (cm) (in) 16:9 (1920x1080) 6.25 22.47 245.73 132.83 74.72 26.90 152.40 60.00 4:3 (1440x1080) 6.25 22.47 245.73 99.62 74.72 26.90 124.53 49.03 Projection Distance (M) 2.0 2.5 3.0 3.5 4.0 5.0 6.0 Screen Size 16:9 (inch) Max Min 48.8 40.7 61.0 50.9 73.3 61.0 85.5 71.2 97.7 81.4 122.1 101.7 146.5 122.1 Screen Size 4:3 (inch) Max Min 39.9 33.3 49.9 41.6 59.9 49.9 69.8 58.2 79.8 66.5 99.8 83.1 119.7 99.8

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16
Installation
L
H'
H
(1920X1080)
A
B
(1920X1080)
W
0
(1920X1080)
W
1
(1440X1080)
D
(1920X1080)
Focus Ring
Zoom Lever
Adjusting the Projector’s Zoom / Focus
Turn the Zoom Lever to zoom in or zoom out. To focus the
image, turn the focus ring until you see a clear image. The
projector will focus at distances from 4.9 to 39.4 feet (1.5 to
12.0 meters) and the projection screen size from 0.775m~7.62m
(30.5”~300”) at 16:9 mode with mechanical travel.
Adjusting Projection Image Size
Side View
Front View
Throw Ratio (TR)=1.85 as Wide mode
A=6.25°
B
(1920x1080)=22.47°
W
0
(1920x1080)=L/TR
H'=L X tan(A)
W
1
(1440x1080)=W
0
(1920x1080) X 0.75
H (1920x1080)=W
0
(1920x1080) X 0.56
H (1440x1080)=W
1
(1440x1080) X 0.75
Display Format
A
B
L
(cm)
W
(cm)
H
(cm)
H’
(cm)
D
(cm)
D’
(in)
16:9 (1920x1080)
6.25
22.47
245.73
132.83
74.72
26.90
152.40
60.00
4:3 (1440x1080)
6.25
22.47
245.73
99.62
74.72
26.90
124.53
49.03
Projection Distance (M)
2.0
2.5
3.0
3.5
4.0
5.0
6.0
Screen Size 16:9
(inch)
Max
48.8
61.0
73.3
85.5
97.7
122.1
146.5
Min
40.7
50.9
61.0
71.2
81.4
101.7
122.1
Screen Size 4:3
(inch)
Max
39.9
49.9
59.9
69.8
79.8
99.8
119.7
Min
33.3
41.6
49.9
58.2
66.5
83.1
99.8