Arduino + Accelerometer: Tilt Detection

hey I am using Triple Axis Accelerometer Breakout - MMA7260Q. I dont understand the behavior of accelerometer. From where can I know xymin and xymax ? I tried to figure it out by myself. COuldnt do it.. please help if someone knows..

Hello,
freescale published a nice application notes ( http://www.freescale.com/files/sensors/doc/app_note/AN3107.pdf ) I guess it can help you. regards, reha