HP 430se - Manual (Page 82)

76 Hewlett-Packard Jornada 430/430se Palm-size PC
All active tasks (tasks that have a start date before the current
date and are not marked completed) are displayed in the Active
Tasks box in the Agenda view of Calendar.
Display your active tasks on the Active Desktop. For more
information, see the Using the Active Desktop section in
chapter 5.