2-9.Optical Adjustment & Image Size (Es 520) - Optoma ES520 Serivce Manual

Delta Elec. Inc. ES520 & EX530 ver.02
2-9. Optical Adjustment & Image Size (ES 520)
Adjusting the Focus (Fixed Zoom Series)
The Fixed Zoom Series' lens is fixed and does not provide a zoom function.
To focus the image, rotate the focus ring until the image is clear.
The projector will focus at distances from 4.9 to 40 feet (1.5 to 12.2 meters).
Adjusting Projection Image Size
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2008/09/17