![background image](http://html1.mh-extra.com/html/acer/smart-touch-kit-ii/smart-touch-kit-ii_user-manual_3983918014.webp)
Qualified
Unqualified
3. Adjust Gear A to make the red light beam nearly meet the point where the
magnets stand (the interval distance is better within 1mm). When you use your
finger to touch the whiteboard, you can see the visible reflected red point. As
shown in the pic below:
4. After that, turn the red light button off once calibration is completed and
close the top cover.
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