Epson BrightLink 485Wi Manual page 20

Select the Easy Interactive Function setting and press Enter.
Select Manual Calibration and press Enter.
Again, you should not need to adjust the focus as this has been done during initial
installation.
Press Enter to select Yes. A flashing green circle appears in the upper left corner
of your projected image.
Touch the center of the circle with the tip of the pen. The circle disappears, and
you see another circle lower than the first one.
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