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•If the projector is
Projection distance and size
Use the figures, tables, and formulas below to determine the projection size and projection distance.
(Projection sizes are approximate values for
Screen As seen from above
projection size (inches)
a (min length) =
30.03
H 
90°
As seen from the side
Lens center
90°
a
projection size (inches)
a (max length) = |
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| 24.69 |
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projection size | projection distance a (m) | height | |||
(inches) |
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| (H) (cm) | |
min length | max length | ||||
| (zooming | (zooming |
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| max) | min) |
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30 | 1.00 | 1.22 | 7.54 |
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36 | 1.20 | 1.47 | 9.05 |
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40 | 1.33 | 1.63 | 10.06 |
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60 | 2.00 | 2.44 | 15.09 |
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80 | 2.66 | 3.26 | 20.12 |
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a is the distance (m) between the lens and the screen, and corresponds to a range of 1.15 m to
10.00m. H is the height from the image bottom to the center of the lens.
100 | 3.33 | 4.07 | 25.15 |
150 | 5.00 | 6.11 | 37.72 |
200 | 6.66 | 8.14 | 50.29 |
250 | 8.33 | 10.18 | 62.87 |
300 | 9.99 | 75.44 |
Connection
When connecting a signal source to the projector, be sure to:
1.Turn all of the equipment off before making any connections.
2.Use the correct signal cables for each source.
3.Ensure that the cables are firmly inserted.
In the connections shown below, cables are not included with the projector (see p.15 ). Cables are commercially available from electronics stores.
Overview 23