Opticon PHL-7100 User Manual page 76

3.2.1.4 Quiet zone TAB
With this option the reader can decode bar codes that have smaller start and/or end margins
than specified for the symbology. Be carefully when using this option. It may increase the
possibility of partial reads and ghost reads. Do not use smaller margin checks then necessary. If
possible replace the bar code labels by ones that have correct start and end margins.
Figure 3-16 Quiet zone options.
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User's manual
PHL-7000 series