Rjs Inspector D4000 Auto Optic (FIRMWARE version A.05 Manuel d'utilisateur Page 65

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Operators Guide Appendix J
002-5564 RJS, Minneapolis, MN
58
Traditional Analysis Tolerance Graph
This graph is similar to the ANSI decodability parameter grade previously described except
this analysis is based on the average deviations of the bars of each character in a symbol
instead of the most deviant element in the symbol.
The width of the graph represents the total deviation from normal reflectance that bars in a
symbol can have and still be within dimensional specifications.
The graph provides information about bars being narrow or wide, whereas ANSI decodability
does not.
In the graph, A indicates the average bar deviation of all characters in the symbol. The
Rs (if any) indicate the range of average bar deviations.
The graph is normalized to plus or minus 100% tolerance with no specific dimensions.
Higher density symbols such as 80% UPC may indicate larger ranges of deviation than low
density symbols such as case code.
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