you can customize your handheld by using the preferences application. you can enter personal information such as your name and address; set date and time formats; turn off sounds; and configure your handheld to work with a modem or network.
to open the preferences screens:
1. tap the applications icon

.
2. tap the preferences icon

.
3. tap the category pick list in the upper-right corner of the screen.
4. tap the preferences category you want to view.
see chapter 6 for more specific information on the preferences screens and customizing your handheld.