Datalogic Scanning POWERSCAN PD7100 Manual do Utilizador descarregar pdf (Página 172)

Symbologies

164 PowerScan

PD7100 Corded

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 Scanning POWERSCAN PD7100 Manual do Utilizador Página 172