Planet code check digit, Postnet check digit, Also see – Honeywell Granit 1991iSR Ultra-Rugged Standard-Range Barcode Scanner User Manual
Page 213: Planet code check, Digit, Postnet check

Granit XP User Guide
197
Planet Code Check Digit
This selection allows you to specify whether the check digit should be transmitted
at the end of Planet Code data.
Default
=
Don’t Transmit.
Postnet Check Digit
This selection allows you to specify whether the check digit should be transmitted
at the end of Postnet data.
Default
=
Don’t Transmit.
Postal-4i,
Intelligent Mail Barcode, and
Postnet with B and B’ Fields On
Planet Code,
Postal-4i,
Intelligent Mail Barcode, and
Postnet On
Planet Code,
Postal-4i,
Intelligent Mail Barcode, and
Postnet with B and B’ Fields On
Transmit Check Digit
* Don’t Transmit Check Digit
Transmit Check Digit
* Don’t Transmit Check Digit