Reviewing the Dimensional Parameters

The following table lists the dimensional parameters and summarizes their results. Descriptions of the parameters follow the tables.

Parameter

Trad’l

ISO/IEC

Average Bar Error (Avg Bar Err)

Wide-to-narrow ratio (Wide/Nar Ratio)

Decodability*

*The method you select (Avg Decode or ISO/IECISO/IEC) determines the scan and sym- bol grades.

Parameter

Result

 

 

Avg Bar Err

Compared against traditional print tolerance crite-

 

ria set by symbology or application

 

OK if within criteria

 

Fail if outside criteria

Wide/Narrow Ratio

Compared against generic or user set limits for the

 

symbology or application

 

OK if within limits

 

Fail if outside limits

Decodability

A if > .62

 

B if > .50

 

C if > .37

 

D if > .25

 

F if < .25

Errors in Dimensional Parameters

If, after a scan, the abbreviation for dimensional appears as >DIM<, an error exists in one or more of the dimensional parameters. If there is an error, use the arrow buttons to review each parameter to identify the problem. If the abbreviation for dimensional appears as Dim, the symbol has no dimensional errors.

Average Bar

The average bar print error (AvgBar) value is the amount of average bar growth or loss in the measured symbol relative to its “X” dimension. This value is compared against traditional print tolerance criteria and rated. If the AvgBar is within these limits, it is rated OK! or pass. If the AvgBar is outside these limits, this test fails.

Quick Check® 600/800 Series User’s Guide

4 - 9

Page 53
Image 53
Hand Held Products 800, 600 manual Reviewing the Dimensional Parameters, Errors in Dimensional Parameters, Parameter Trad’l