Epson EB-L510U - Resizing the Image with the Zoom Ring

Resizing the Image with the Zoom Ring
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You can resize the image using the projector's zoom ring.
a
Wait 20 minutes after turning on the projector before setting the focus,
zoom, and lens shift for maximum accuracy.
a
Turn on the projector and display an image.
b
Rotate the zoom ring to enlarge or reduce the image.