manual
Key ManageMent
147
CheCK Digits
aCCess instruCtions:
From the Key Management screen, select the Check Digits option by pressing <3> on the keypad.
DesCriptions:
This option displays a management report that shows the check digits string associated with the currently
loaded master and working keys (MAC and/or PIN as applicable).
The check digits sequence is used to conrm that the key was entered correctly. The processor can provide
a set of check digits for reference purposes. If the check digits displayed in the report are different from
the reference set, the MAC and/or PIN Master Keys may be invalid or corrupted. Contact the processor for
assistance if necessary.
D Press <enter> on the keypad to return to the Key Management screen.