![background image](http://html1.mh-extra.com/html/acer/smart-touch-kit-ii/smart-touch-kit-ii_user-manual_3983918013.webp)
Adjustment steps:
1. Put the two magnets at the middle bottom side of the projection image, and
the distance between them is 50cm. As shown in the pic below:
2. Turn on the red light power button, make the horizontal beam of red light
reflect onto the magnets and you can see the clear red line between them by
adjusting Gear A and Gear B. As shown in the pic below:
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