I.R.I.S. Readiris Pro 12 for Windows User Guide - Manual (Page 59)

Readiris TM Pro 12 – User Guide
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The 5 most recently selected languages are moved to the top of the
language list.
Important: select the document language before executing page
analysis when you are dealing with Asian, Hebrew and Arabic
documents. Specific page analysis routines are used for these
documents.
The recognition can also be limited to a numeric character set to
optimally recognize tables and figures. Readiris then only recognizes
the numerals 0-9 and the following series of symbols:
To activate numeric mode, select Numeric in the Language dialog
box.