Datasheet

Next you can run

sudo TSLIB_FBDEVICE=/dev/fb1 TSLIB_TSDEVICE=/dev/input/touchscreen ts_test

which will let you draw-test the touch screen. Go back and re-calibrate if you feel the screen isn't precise enough!

X Calibration

You can also calibrate the X input system but you have to use a different program called xtcal (xinput_calibrator no

longer works)

You should see five crosshair targets. If you see less than that, the touchscreen probably generated multiple

signals for a single touch, and you should try calibrating again.