8-52WLS 8400 Product Reference Guide

Set Lengths for MSI (continued)

Any Length - This option allows the scanner to decode MSI symbols containing any number of characters within the scanner capability.

Due to the construction of the MSI symbology, it is possible for a scan line covering only a portion of the code to be interpreted as a complete scan, yielding less data than is actually encoded in the bar code. To prevent this from happening, it is recommended that specific lengths (MSI - One Discrete Length - Two Discrete Lengths) be selected for MSI applications.

MSI - Any Length

MSI Check Digits

With MSI symbols, one check digit is mandatory and always verified by the reader. The second check digit is optional. If the MSI codes include two check digits, enable the verification of the second check digit by scanning the bar code below.

See MSI Check Digit Algorithm on page 8-53for the selection of second digit algorithms.

*One MSI Check Digit

Two MSI Check Digits

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Wasp Bar Code WLS 8400 ER, WLS 8400 FZ manual MSI Any Length, One MSI Check Digit Two MSI Check Digits