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Optical Mark Recognition (OMR) • 5
5-5SV40221 Rev. A
PAR - Parity
This mark is a security feature, that when printed always makes
the number of marks total an odd or even number. If any one of the
marks within the code is missed during scanning, the machine will
stop functioning, allowing the error to be rectified. No more than 1
Parity mark can be used within the code.
Options available:
• Odd or Even
WAS - Wrap Around Sequence
This is a numbering system which uses a sequential binary coding. If
a page becomes missing or the set becomes out of sequential order,
the system will stop processing and declare an error message. Up to
6 Wrap Around Sequence marks can be within the code.
Options available:
• Increment (Ascending) or Decrement (Descending)
• Include or Omit Zero (0) as a value within the sequence
• Continuous Sequence or Page 1 Reset
• Least or Most Significant Mark nearest to Bench Mark
(code orientation)
• Number of Wrap Around Sequence Marks
TM - Timing
This mark is needed by some other machines to read OMR marks
correctly. This machine does NOT need Timing marks, but the
mark(s) may be left within an existing code and will add integrity to
your Mail Piece.
Timing mark(s) may appear more than once within the code and, if
used, must always be present within the code.
IGN - Ignore
This feature is used to ignore a mark within the code. It may be used
more than once within the code.
This can be useful to enable existing codes from other equipment to
be used, as certain marks might not be applicable to this machine.
SV40221 Rev A book.indb 5-5 9/14/2004 5:51:17 PM