A
D
PPENDIX
D
Z
ECODE
ONE
The decode zone for CHS 7Mi and 7Pi is shown below. The minimum element width ("X
Dimension" or barcode "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 barcode sizes. The maximum usable length of a barcode symbol (Width of
Field) at any given range is also shown.
APPENDIX D: DECODE ZONE
97