Optoma Home Theatre Projector - Manual (Page 26)

Installation
24
L
H
'
H
(1
92
0X
10
80
)
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
Installation