| | Description in the current SGML document
For a description of behaviour in the document itself, the following outline should be used:
1. | | Description of system behaviour
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2. | | Description of system environment
Here, the external systems and the input/output sizes are described. A context diagram can also be included.
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3. | |
All the relevant operating modes of the system within this project version must be defined here. Referencing of the states defined here is carried out at the appropriate place.
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4. | |
All functions are listed here. The input/output, connections and flow of information, assigned operating states, assigned components and tests appropriate for the function are described for each function. It is possible to build a function hierarchy like these example:
4.1 Function 1
4.1.1 Function 1.1
4.2 Function 2
...
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