Datalogic Scanning MAGELLAN 8500 - Manual (Page 266)

6-160 Magellan ® 8500 Scanner
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 = VERY CONSERVATIVE
UPC-A/EAN-13 DECODING LEVELS = SLIGHTLY MORE AGGRESSIVE