Epson BrightLink 485Wi Manual page 19

Locate and press the User button on the remote. You will see a menu like the
image below.
You should not need to adjust the focus or change the image settings, simply
hit the Enter button on the remote to begin the calibration process. You will
see a series of white horizontal lines and hear the projector taking pictures of
these lines to automatically adjust itself to the projected grid. Once this
process is complete, test the calibration with the interactive pen(s). If the
cursor still does not meet the pen tip, you may use the manual calibration
feature as detailed below.
Press the Menu button, select the Extended menu, and press Enter.
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