Psion Teklogix 7525 user manual MSI Plessey, Check Digits, Check Digit Algorithm

Chapter 6: Settings

MSI Plessey

6.20.1.13 MSI Plessey

Enabled

Set this parameter to on to enable “MSI Plessey”.

Set Length L1 And Set Length L2

Lengths for “MSI Plessey” can be set for Any length, Length within a range, One discrete length or Two discrete lengths. The length of a code refers to the number of characters (i.e., human readable characters), including check digit(s).

Double-tapping on this parameter displays a dialog box labelled Set Code Lengths where you can define the code length that will be recognized by your scanner.

Choosing One discrete length allows you to decode only those codes containing a selected length. Choosing Two discrete lengths allows you to decode only those codes containing two selected lengths. Length within a range allows you to decode a code type within a specified range from 6 to 55.

Check Digits

Double-tapping on this parameter displays a dialog box in which you can choose One or Two check digit(s).

If this parameter is set to One, it is assumed that the last digit is a check digit. If “Check Digits” is set to Two, it is assumed that the last two digits are check digits.

Note: If Two check digits is selected, an MSI Plessey “Check Digit Algorithm: must also be selected. See page 9-88.

Transmit Check Digit

If this parameter is enabled, the check digit is included with the bar code data.

Check Digit Algorithm

When the Two MSI Plessey check digits option is selected, an additional verification is required to ensure integrity. Double-tapping on this parameter displays a dialog box n which you can choose the algorithm to be used: MOD 10/MOD 11 or MOD 10/MOD 10.

Field Size/Char

Refer to page 117 for details.

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