Epson EB-4550, Installation Manual

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b
Focus the image around the axis of the lens using the focus ring.
Example: When the lens shift is turned all the way down.
Optical axis
c
Correct screen distortion using the distortion ring.
When correcting distortion, the area around the edges of the image
is also focused.
d
Turn the focus ring to focus the entire screen.
If the area around the lens axis is out of focus, fine-tune by turning
the distortion ring.
a
When using the short throw zoom lens ELPLU01, set Lens Type to
ELPLU01 from the Configuration menu so that keystone correction is
performed correctly.
Press [Menu] button > Extended > Operation > Lens Type
Adjusting the Image Position (When Setup on a
Desk)
Extend or retract the front foot to make adjustments. You can adjust the
position of the image by tilting the projector up to 10 degrees.
A
Extend the front foot.
B
Retract the front foot.
a
The larger the angle of tilt, the harder it becomes to focus. Install the
projector so that it only needs to be tilted at a small angle.
Installing the Projector
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