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Appendix E Decode Zone
The decode zones for the Class 1 and Class 2 lasers in the CF Scan Card are
shown below. The minimum element width (“X Dimension” or bar code
“size”) is the width in thousandths of an inch (mils) of the narrowest
element (bar or space) in the symbol. The figures shown are the typical
scanning distances (depths of field) for selected bar code sizes. The
maximum usable length of a bar code symbol (Width of Field) at any given
range is also shown below.
Class 1 Laser Decode Zone
APPENDIX E: DECODE ZONE | 39