Optoma Technology HD20 Projector User Manual


 
16
Installation
Adjusting the Projector’s Zoom / Focus
POWER
?
Focus Ring
Zoom Ring
You may turn the zoom ring to zoom in or out. To focus the im-
age, rotate the focus ring until the image is clear.
The projector will focus at distances from 4.89 to 32.68 feet
(1.49 to 9.96 meters).
Adjusting Projection Image Size
This table is for user’s reference only.
Diagonal
length (inch)
size of 16:9
Screen
Screen Size W X H Projection distance (D)
Offset
(Hd)
(m) (feet) (m) (feet)
Width Height Width Height wide tele wide tele (m) (feet)
38 0.84 0.47 2.76 1.55 - 1.51 - 4.97 0.08 0.25
45 1.00 0.56 3.27 1.84 1.49 1.79 4.89 5.88 0.09 0.29
50 1.11 0.62 3.63 2.04 1.66 1.99 5.45 6.54 0.10 0.33
60 1.33 0.75 4.36 2.45 1.99 2.39 6.54 7.84 0.12 0.39
70 1.55 0.87 5.08 2.86 2.32 2.79 7.63 9.15 0.14 0.46
80 1.77 1.00 5.81 3.27 2.66 3.19 8.72 10.46 0.16 0.52
90 1.99 1.12 6.54 3.68 2.99 3.59 9.81 11.77 0.18 0.59
100 2.21 1.25 7.26 4.09 3.32 3.98 10.89 13.07 0.20 0.65
120 2.66 1.49 8.72 4.90 3.98 4.78 13.07 15.69 0.24 0.78
150 3.32 1.87 10.89 6.13 4.98 5.98 16.34 19.61 0.30 0.98
200 4.43 2.49 14.53 8.17 6.64 7.97 21.79 26.15 0.40 1.31
300 6.64 3.74 21.79 12.26 9.96 - 32.68 - 0.60 1.96
Width
Height
D
i
a
g
o
n
a
l
Screen
Screen
ProjectionDistance (D)
ProjectionDistance (D)
Screen(W)
Screen(H)
Offset(Hd)
TopView
SOURCE