RJS Inspector D4000 Laser (FIRMWARE version A.05 and Earlier) - Manual (Page 58)

Appendix I Operator ’ s Guide
RJS, Minneapolis, MN 002-5568 52
Table I-2 (Acceptable Parameters for Symbols
With Addendums)
Symbology Leading QZ Trailing QZ GAP Size
UPC-A 9X Minimum 5X Minimum 9 - 12X
UPC-3 9X Minimum 5X Minimum 9 - 12X
EAN-13 11X Minimum 5X Minimum 7 - 10X
EAN-8 7X Minimum 5X Minimum 7 - 10X