A mouse cannot be used to navigate in the DCU. To navigate in the DCU, you must use named keys and function keys. Named keys are the keys that do something other than print an alphanumeric or special character. Named keys include <Enter>, <Tab>, <PgUp>, and <PgDn>. Function keys are those labeled <F1> through <F10>.
Every DCU screen displays a bar at the bottom which lists the keyboard navigation choices in effect for that screen. It also displays field-specific information when appropriate.
The following key definitions apply for all DCU screens:
|<F1>||Displays help for the current screen.|
|<F2>||Displays valid choices for a field.|
|<Tab>||Moves the cursor to the next field on a screen.|
|Arrow Keys||Moves the cursor up/down/left/right within a field.|
|<PgUp>, <PgDn>||Moves to the previous/next page in a multi-page screen.|
|<Enter>||Enters the selection and continues (on screens with multiple fields, <Enter> moves the cursor to the next field).|
|<F10>||On screens with multiple fields, applies selections and continues (on other screens, <F10> is the same as <Enter>).|
|<F1>||Gets a menu of related help screens.|
|<PgUp> or Up Arrow||Goes to previous page of a help screen.|
|<PgDn> or Down Arrow||Goes to the next page of a help screen.|
|<Esc>||Exits help system and returns to the current screen.|