Optoma HD640 User's Manual - Page 16

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

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Installation Adjusting the Projector's Zoom / Focus You may turn the zoom lever to zoom in or out. To focus the image, rotate the focus ring until the image is clear. The projector will focus at distances from 3.9 to 39.4 feet (1.2 to 12.0 meters). Zoom Ring Focus Ring Adjusting Projection Image Size Top View Screen Screen (W) Projection Distance (D) Projection Distance (D) Screen Screen (H) Offset (Hd) Height Diagonal Width Diagonal length (inch) size of 16:9 Screen 50 60 70 80 90 100 120 150 200 300 Screen Size W X H (16:9) (m) 1.11 0.62 1.33 0.75 1.55 0.87 1.77 1.00 1.99 1.12 2.21 1.25 2.66 1.49 3.22 1.87 4.42 2.49 6.64 3.74 (feet) 3.63 2.04 4.36 2.45 5.08 2.86 5.81 3.27 6.54 3.68 7.26 4.09 8.72 4.90 10.57 6.13 14.53 8.17 21.79 12.26 Projection distance (D) (m) (feet) wide tele wide tele 1.72 1.88 5.64 6.17 2.06 2.26 6.76 7.41 2.40 2.63 7.87 8.63 2.75 3.01 9.02 9.88 3.09 3.39 10.14 11.12 3.43 3.76 11.25 12.34 4.12 4.52 13.52 14.83 5.15 5.65 16.90 18.54 6.86 7.53 22.51 24.71 10.29 11.29 33.76 37.04  This graph is for user's reference only. Offset (Hd) (m) (feet) 0.12 0.39 0.14 0.47 0.17 0.54 0.19 0.62 0.21 0.70 0.24 0.78 0.28 0.93 0.35 1.16 0.47 1.55 0.71 2.33 English 16

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±6
English
Installation
Adjusting the Projector’s Zoom / Focus
Adjusting Projection Image Size
You may turn the zoom lever to zoom in or out. To focus the
image, rotate the focus ring until the image is clear. The projector
will focus at distances from 3.9 to 39.4 feet (1.2 to 12.0 meters).
Width
Height
Diagonal
Screen
Screen
Projection Distance (D)
Projection Distance (D)
Screen (W)
Screen (H)
Offset (Hd)
Top View
This graph is for user’s reference only.
Focus Ring
Zoom Ring
Diagonal
length (inch) size
of 16:9 Screen
Screen Size W X H (16:9)
Projection distance (D)
Offset
(Hd)
(m)
(feet)
(m)
(feet)
wide
tele
wide
tele
(m)
(feet)
50
1.11
0.62
3.63
2.04
1.72
1.88
5.64
6.17
0.12
0.39
60
1.33
0.75
4.36
2.45
2.06
2.26
6.76
7.41
0.14
0.47
70
1.55
0.87
5.08
2.86
2.40
2.63
7.87
8.63
0.17
0.54
80
1.77
1.00
5.81
3.27
2.75
3.01
9.02
9.88
0.19
0.62
90
1.99
1.12
6.54
3.68
3.09
3.39
10.14
11.12
0.21
0.70
100
2.21
1.25
7.26
4.09
3.43
3.76
11.25
12.34
0.24
0.78
120
2.66
1.49
8.72
4.90
4.12
4.52
13.52
14.83
0.28
0.93
150
3.22
1.87
10.57
6.13
5.15
5.65
16.90
18.54
0.35
1.16
200
4.42
2.49
14.53
8.17
6.86
7.53
22.51
24.71
0.47
1.55
300
6.64
3.74
21.79
12.26
10.29
11.29
33.76
37.04
0.71
2.33