Put your device on the datum surface and press [Calibration] button.
After that, place your device on the surface that you want to check the slope.
Now you can see the difference of the horizontal axis from the datum surface by the movement of the ball.
* Terms and Conditions for safety *
We've formulated use agreement for all our user's safety.
Please confirm our use agreement before you use our application.
Application use agreement: http://www.id-entity.jp/agreement/useagreement.pdf
* Virus checking *
Symantec EP Updated date: February 25, 2012