Epson BrightLink 485Wi Manual page 21

Touch the center of the next circle and then repeat. When you get to the bottom
of the column, the next circle appears at the top of a new column.
If you make a mistake, press the Esc button on the remote control to go back to
the previous circle. To restart the calibration process, press and hold the Esc
button.
Continue until all of the circles disappear.
After this process is complete, it will take a moment for the projector to re-
establish its connection with the PC. Once the connection is re-established, test
the calibration by checking if the cursor lines up with the pen tip. Be sure to hold
the pen so that the tip is pointed straight at the board and that you are not
coming in at an angle to ensure the best operation.
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