Section3.2

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## 3.2 Key Definitions

The following keyboard definitions are in effect throughout HyperDoc. See ugHyperScroll and ugHyperInput for some contextual key definitions.

F1
  Display the main help page.
F3
  Same as Exit, makes the window go away if you are not at the top-level window or quits the HyperDoc facility if you are at the top-level.
F5
  Rereads the HyperDoc database, if necessary (for system developers).
F9
  Displays this information about key definitions.
F12
  Same as F3.
Up Arrow
  Scroll up one line.
Down Arrow
  Scroll down one line.
Page Up
  Scroll up one page.
Page Down
  Scroll down one page.

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