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Positioning your projector16
1. Measure the distance between the projector and where you want to position the
screen. This is the projection distance.
2. Refer to the table on page 17 and find the closest match to your measurement in the
average distance from screen column labelled "(b) Distance from screen". This is the
projection distance.
3. Using this value, look across that row to the left to find the corresponding "(a) Screen
size" listed in that row. That is the projected image size of the projector at that
projection distance.
4. On that same row, look across to the right column and make note of the "(c) Vertical
offset" value. This will determine the final placement of the screen in relation to the
horizontal plane of the projector.
For example, if you need a 16:9 screen to project a 16:9 picture and your measured
projection distance is 1.5 m (1500 mm), please refer to Table A1
on page 17. The closest
match in the "(b) Distance from screen" column is 1623 mm. Looking across this row shows
that a 150'' (about 3.8 m) screen is required.
If you place the projector in a different position (to that recommended), you will have to tilt
it down or up to center the image on the screen. In these situations, some image distortion
will occur. Use the Keystone function to correct the distortion. See "Correcting keystone" on
page 29 for details.