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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.