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 HELP menu:
 There are four submenus: GENERAL, TOPIC, WORD SEARCH, and TROUBLESHOOTING.
     
 GENERAL submenu:
 Gives a general overview of the HELP texts.
     
 TOPIC submenu:
 Gives HELP texts by MENU TOPICs.  The menu-bar is located at the top
 of the screen, below the ISAP(c) copyright statement.  The MENU TOPICs
 are:  FILE, IMAGE, EDGE, ANALYSIS, and DATABASE.  The HELP/ANALYSIS
 submenu has three subsubmenus:  PALETTE, HISTOGRAM, and VALUES.
     
 WORD SEARCH submenu:
 HELP texts may be called up by individual words which occur in the
 ISAP(c) instructions.  Mouse-click on the WORD SEARCH option, and an
 INPUT box will appear on the screen.  Type in a desired word or leading
 letters in the word, and then the system will display the first occurrence
 of that word in the ISAP(c) instruction text.  Select NEXT to see the next
 occurrence of that word, and CANCEL to exit from the word search.
     
 TROUBLESHOOTING submenu:
 Overview of common pitfalls in using this image analysis software.
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