Windows:

Open the “Tablet Setting” in the start tray.

Go to “Mapping” to choose “Monitor 2” in “Select Monitor” (if you have 3 displays, choose “Monitor 3”)

If there is still a subtle gap, click “Calibration” to do pen calibration.

Mac:

Click and check the video tutorial

Open “Driver Setting”

Go to “Region Setting” to choose “Monitor 2” in “Select Monitor” (if you have 3 displays, choose “Monitor 3”)

Click “Auto Calibration” or “Default” to do pen calibration if there is still a subtle gap.

NOTE:

It is a normal phenomenon to have a slightly optical parallax when using the pen to draw in the monitor because there is a thick glass between the pen tip and pen touch area.

TIPS:

How to judge whether the product is good or not?

Put the pen draw in the monitor in a vertical way and watch whether the pen tip is coincident with the cursor right above.