HP IPAQ H5500 - Manual (Page 134)

Using the Fingerprint Reader (h5500 only)
User’s Guide 10–7
5. Swipe the selected finger, as instructed.
✎
It is recommended that you gently swipe your finger downward
across the sensor. You should begin the swipe at the first joint of
your finger and continue downward with a smooth slow motion.
If you need additional assistance at any time, tap the Training
button.
6. Monitor the status to see if your fingerprint was correctly
swiped.
✎
If OK, the perimeter of the oval turns green and a message
displays indicating the quality was good. If poor quality, the
perimeter of the oval turns red and a message displays.