Newland NLS-HR20-BT User Manual page 168

Enter Setup
Check Character Verification
Check characters are optional for MSI-Plessey and can be added as the last one or two characters, which are calculated
values used to verify the integrity of the data.
If the Disable option is enabled, the scanner transmits MSI-Plessey barcodes as is.
Disable
** One Check Character, MOD10
Two Check Characters, MOD10/MOD10
Two Check Characters, MOD10/MOD11
155
** Exit Setup