DEUTZ-FAHR AGROTRON 106 MK3, Workshop Manual

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1.3.3 SERDIA UPDATES
You will be informed of software updates by our service information department, as they occur.
There is no automatic exchange against older versions of the software.
When installing the update the target directory should contain the SERDIA version number.
1.4 USER LEVEL, ACCESS AUTHORIZATION
DEUTZ Service has defined three different user levels (I, II, III) for SERDIA users. These levels are specified in the interface.
We make these distinctions in order to prevent unauthorized users from gaining access to the setting parameters (com-
parable to the lead seals on fuel injection pumps).
Access authorization functions in such a way that only certain parameters and function fields are allowed through a filter.
This then allows access to the appropriate user level.
SERDIA ENTRY AND COMUNICATION