FC1: Operation for Legally Relevant Functionalities 5
During operation, the actual checksums are calculated and compared with
the respective reference values. If a checksum is highlighted in red, the last
check has failed, i.e. a deviation has been detected. An alarm is generated
in that case.
5.4.6 Fiscal Audit Trail
The fiscal audit trail is a log file for legal purposes. There are legally relevant
parameters that can be changed even if the security switch is closed. In that
case, the action is recorded in the fiscal audit trail.
The fiscal audit trail can contain up to 1000 entries. If the fiscal audit trail is
full, no further entry can be written, i.e. no further legally relevant change of
the parameterization is possible without opening the security switch.
The fiscal audit trail can be deleted, provided that the security switch is open
and an authorized user is logged in.
The display of the fiscal audit trail can be evoked as follows:
• Activate the System button in the home display.
• Activate the button labeled Audit trail.
• Select “Fiscal” in the drop down list at the left
Figure 14: Audit trail display (example)
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