Optoma HD73 - Adjusting the Projectors Zoom; Focus; Adjusting Projected Image Size

Installation
16
L
H
'
H
(
1
2
8
0
X
7
6
8
)
A
B
(
1
2
8
0
X
7
6
8
)
W
0
(
1
2
8
0
X
7
6
8
)
W1 (1024X768)
D(1280X768)
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
0.92m~8.857m (36”~349”) at 16:10 mode with mechanical
travel.
Adjusting Projection Image Size
Side View
Front View
Throw Ratio (TR)=1.96 as Wide mode
A=6.52°
B
(1280x768)=25.54°
W
0
(1280x768)=L/R
H'=L X tan(A) W
1
(1024x768)=W
0
(1280x768) X 0.8
H (1280x768)=W
0
(1280x768) X 0.86 H (1024x768)=W
1
(1024x768) X 0.75
Display For
mat
A
B
L
(cm)
W
(cm)
H
(cm)
H’
(cm)
D
(cm)
D’
(in)
16:10 (1280x768)
6.52
25.54
256
130.68
78.41
29.01
152.40
60.00
4:3 (1024x768) 6.52
25.54
256
104.52
78.41
29.01
130.66
51.44
Projection Distance (M) 2.0 2.5 3.0 3.5 4.0 5.0 6.0
Screen Size 16:10
(inch)
Max
58.8
73.5
88.2
102.8
117.5
146.9
176.3
Min
48.9
61.1
73.3
85.5
97.7
122.2
146.6
Screen Size 4:3
(inch)
Max
47.02
55.77
70.53
82.28
94.04
117.55
141.06
Min
39.48
49.35
59.21
69.08
78.95
98.69
118.43
Installation