Fields
To change values in a field, highlight the field, click the trackball, and click a value.
On an option screen, you can also select an option and click the trackball. Click Change Option. Click a value.
Menus
To view a menu, press 
. If there is more than one available action for the item, a short menu of available actions is displayed.
To view more available actions for the selected item,
press 
or click Full Menu.