Rockwell Automation 2755 AdaptaScan Software - Manual (Page 108)

7–9
Publication 2755-838
Inter-Symbol No-Read Count
Specifies the minimum number of no-reads that must occur between
decoded symbols before the next symbol can be decoded. This
prevents multiple decodes of the same symbol while allowing
identical symbols to be decoded as long as a definite space (no–read)
occurs between them:
12345
6
7
12345
6
7
Inter-Symbol No-Read Count = 3
Direction of Travel
12345
6
7
1st Symbol
Scanned
Last Symbol
Scanned
2nd Symbol
Scanned