F1  Document Type
       Toggle between Dot Matrix, Monospaced and Proportional spaced inputs.

F2  Word Spacing Adjustment
       Input a value from 3-30 to represent the spacing between words in the
       scanned document. Reduce this value if processed OCR text merges words.
       Increase the value when the processed OCR text fragments words.

F3 Recognition Sensitivity
       Choose among Highest, High, Normal and Low depending on the desired
       level of senisitivity on OCR. A high or highest level is only
       recommended when running Interactive OCR such that the software will 
       not attempt to make guesses on unknown characters.

F4 Context Correction
       Toggle Context Correction [ON] helps to differentiate characters
       which bear similar appearance based on word context. User is advised
       to toggle this [ON] at all times.

F5 Graphics Elimination
       When toggled [ON], the software will eliminate horizontal and vertical
       rules, and graphics images before running OCR.

F6 Automatic Text Merging
       This will stay [ON] if multiple scan passes have been scanned 
       previously. When [ON], text stitching will be done automatically 
       after OCR is performed on individual passes.

F7 Unsure Flag
       This flag represents unrecognized characters in the Direct OCR mode. To
       change to a new flag, press [F7],type in the new symbol and hit [Enter].

F8 OCR
       Press [F8] to choose Direct OCR mode where unrecognized characters will
       be replaced by the unsure flag.

F9 Interactive OCR
       Press [F9] to select Interactive OCR mode where user interaction is
       required whenever unrecognized characters are encountered. This mode
       is recommended when adding untrained characters to newly created fonts.