I.R.I.S. IRISPen Executive 6 for Windows - Manual (Page 58)

IRISPen Executive 6 - User's guide
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Contiguous handprinting: Select this option if the space between
characters is reduced. In this case, some characters may occasionally
touch each other and the zones covered by a single character may
overlap.
Spaced handprinting: Select this option if there is a clear space
between the characters.
Character subset
It is important to specify the subset of characters to be used by the
software as this eliminates the chances of recognition errors. For
example, if you select the reading mode Numeric, you limit the set of
recognized characters to numeric symbols only. By doing so, no
confusion can possibly made "5" and "S", ""9" and "g", "8" and "B",
etc. as the software automatically interprets the characters as figures.
Set the subset of characters according to the type of characters to be
read:
Numeric: to read numbers, as well as the dot, comma and hyphen
symbols.
Alphanumeric: to read numbers and capital letters, as well as the dot,
comma and hyphen symbols.
Alphabetic: to read capital letters only.
User-defined subset: to read a specific set of characters. Click on
Subset and define your own subset by selecting/deselecting the
required characters or groups of characters: Select/Deselect A-Z,
Select/Deselect 0-9, Select/Deselect All.
Remove spaces: this option makes the software remove spaces
between characters in the recognition result. It is selected by default if
you choose to read numeric data. If you intend to read whole phrases
or sentences (of alphabetic or alphanumeric characters), you should
not remove the spaces. The software will in this case detect the spaces
between the words and reproduce them in the read sentence.
Rejection level
If you read numeric data, you can have an influence over the rate of
rejected characters appearing in the recognition result. If the rejection