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Positioning your projector20
MX822ST
For example, if you are using a 120-inch screen, the average projection distance is 1.53 m
and with a vertical offset of
27 cm.
If your measured projection distance is 2.0 m (200 cm), the closest match in the "Distance
from screen (m)" column is
1.91 m. Looking across this row shows that a 150'' (about 4.0
m) screen is required.
All measurements are approximate and may vary from the actual sizes.
BenQ recommends
that if you intend to permanently install the projector, you should physically
test the projection
size and distance using the actual projector in situ before you permanently
install it, so as to
make allowance for this projector's optical characteristics. This will help you
determine the
exact mounting position so that it best suits your installation location.
Screen size
Distance from screen (m)
Vertical offset
(cm)
Diagonal W
(cm)
H
(cm)
Inch cm
30 76 61 46 0.38 7
40 102 81 61 0.51 9
60 152 122 91 0.76 14
80 203 163 122 1.02 18
100 254 203 152 1.27 23
120 305 244 183 1.53 27
150 381 305 229 1.91 34
200 508 406 305 2.55 46
250 635 508 381 3.18 57
300 762 610 457 3.82 69