Datalogic POWERSCAN PBT7100 guide Spezifikationen PDF herunterladen (Seite 175)

Code 39

Product Reference Guide

165

Code 39 — cont.

Code 39 Decoding Level

Decoding Levels are used to configure a barcode symbology decoder to be very aggressive

to very conservative depending on a particular customer’s needs.

• Choosing Level 1 results in a very conservative decoder at the expense of not being able to

read poorly printed or damaged labels.

• Choosing Level 5 results in a very aggressive decoder. This aggressive behavior allows

decoding of poorly printed and damaged labels at the expense of increasing the likelihood

of decoding errors.

• Choosing Level 3, which is the default setting, allows the majority of product labels to be

decoded.

There are many factors that determine when to change the decoding level for a particular

symbology. These factors include spots, voids, non-uniform bar/space widths, damaged

labels, etc. that may be experienced in some barcode labels. If there are many hard to read

or damaged labels that cannot be decoded using a conservative setting, increase the de-

coding level to be more aggressive. If the majority of labels are very good quality labels,

or there is a need to decrease the possibility of a decoder error, lower the decoding level

to a more conservative level.

NOTE

This configuration item applies to Code 39 and Code 32.

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Datalogic POWERSCAN PBT7100 guide Spezifikationen Seite 175