How to get help:

You can get help at any time by pressing the F1 key,
which will show you the index of help information.  You
can then select an item by moving the highlighted bar
to it using the arrow keys, or by pressing the first
letter of the index title.  Pressing ENTER then brings
you to the first of one or more screens of Help
information.

Press PgUp or PgDn to scroll up and down through the
Help information a page at a time.

Finding information on another subject:

When you are finished browsing through a topic,
pressing the ESC key takes you back to the Help index. 
You may then select another item to review, as
described above, or return to the function the Sniffer
was carrying out before you looked for Help by pressing
ESC.

Returning to what you were doing:

Press ESC at the Help index display to go back to
whatever you were doing before requesting Help.
