Datalogic Scanning 9500 - Manual (Page 285)

Other UPC/EAN Options
Product Reference Guide
6-169
UPC-A and EAN-13 Decoding Levels — continued
Remember to cover any unused bar codes on this and the facing page to
ensure that the scanner reads only the bar code you intend to scan.
UPC-A/EAN-13 DECODING LEVELS = MODERATELY AGGRESSIVE
UPC-A/EAN-13 DECODING LEVELS = VERY AGGRESSIVE