HP iPAQ h3800 Reference Manual page 77

7. Tap OK to place your contact in the category.
8. Tap the Categories field again to place your contact in
additional categories.
9. Tap additional category names to select them, then tap OK to
list the categories you selected in the Categories field.
10. Tap OK to save the category information and return to the list
of contacts.
Reference Guide
Communicating
2–33