Epson EB-485W User Manual page 61

Easy Interactive Function (EB-485Wi/EB-480i/EB-475Wi only)
c
Use the [ ] button on the remote control or control panel to
select "Yes".
d
A dot is displayed on the projected screen.
Touch the center of the dot with the tip of the Easy Interactive Pen.
The dot disappears and then appears at the next position.
a
Make sure you touch the center of the dot. Otherwise, it may
not be positioned correctly.
e
The dot appears at the top left first and then moves towards the
bottom right.
Repeat step 4 until all of the dots disappear.
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