Quadrus Verifier User’s Manual
A-19
Appendices
Appendix F — Data Matrix Symbology
Data Matrix Symbol Comparison
Symbol Features
ECC 000 - 140
ECC 200
Number of rows and columns
(including finder pattern)
Odd (except for some
closed applications)
Even
Element in upper right hand corner
Dark (for light background
symbols)
Light (for light background
symbols)
Error correction routine
Convolution
Reed-Solomon
Symbol sizes
(not including quiet zones)
17 to 21 sizes
(squares only)
24 squares
6 rectangular
Append in structured format
No
Yes, up to 16 symbols
Subdivide code word stream into
blocks for error detection
No
Yes, for symbols with more
than 255 code words
Extended channel interpretation for
other character sets
No
Yes, optional
Data encoded in:
Base 11, 27, 41, 37, ASCII,
8-bit Byte
ASCII, C40, text, X12, EDIFACT,
and Base 256
Individual element (or module)
Solid finder pattern on two sides define physical size, orientation
and symbol distortion
A white corner on a white background symbol
indicates an even number of elements per side, a
black corner indicates an odd number.
Alternating finder pattern
on two sides used to define cell structure
Even number of elements per side indicates an
ECC 200; an odd number indicates 000 to 140
(in most cases)
Содержание Quadrus Verifier
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Страница 178: ...5 26 Quadrus Verifier User s Manual Aux Port System Data Status ...
Страница 210: ...6 32 Quadrus Verifier User s Manual Setting Up the Verifier for EZ Trax ...
Страница 302: ...8 62 Quadrus Verifier User s Manual Configuring EZ Trax Output ...
Страница 318: ...9 16 Quadrus Verifier User s Manual New Master Pin ...
Страница 326: ...10 8 Quadrus Verifier User s Manual Service Message ...
Страница 362: ...12 14 Quadrus Verifier User s Manual Request All Database Settings ...
Страница 390: ...14 22 Quadrus Verifier User s Manual Status Requests ...
Страница 404: ...15 14 Quadrus Verifier User s Manual Ordered Output Filter ...
Страница 444: ...A 30 Quadrus Verifier User s Manual Glossary of Terms ...