KEYENCE DV-90 - Manual (Page 20)

1-8 E DV-90-IM
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Checking the Print Quality of the Expiration Date or Manufactured Date
Whether the expiration date or manufactured date in the barcode that includes it is correct can be
checked.
Use the “Date Comparison” function. Refer to 5-10
The DV-90 extracts the data that indicates the expiration date in the barcode, and compares it with
the calendar in the DV-90. If the date is incorrect, or the date has expired, an NG output turns on.
Checking the Barcode Print Quality at the Printing Process
The printing quality of barcodes can be checked while they are being printed.
Use the “Reading Quality Judgment” function. Refer to 5-14
The reading stability of the barcode reader connected to the DV-90 can be checked.
Set the reference value of the reading stability. When the actual reading stability drops below the
reference value, “Reading Quality Judgment Output (QUALITY)” turns on. This allows you to
determine the reading stability.
1-2 Overview of DV-90 Functions