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2 • Using the Projector
64
When projecting from the ceiling, align the lens as closely as possible
with the top of your screen:
Using the Keystone Feature
In circumstances where the lens cannot be properly aligned, use the
projector’s Keystone function to help maintain optimum screen
geometry.
❐
Press the Optical Keystone Adjustment knob on the side of the
projector (next to the handle). When the knob pops out, turn it
clockwise or counterclockwise to move the lens up or down. When
you’re finished, press the knob back in.
❐
Adjust keystone correction digitally by pressing the Keystone
button on the control panel to increase or decrease the image
adjustment. This feature allows you to correct up to a
±
20
°
tilt,
maintaining an aspect ratio of 4:3. Using the ELP Link IV
software, you can correct up to a
±
30
°
tilt.
80009000.book Page 64 Monday, November 1, 1999 9:35 AM