The specification document would include a definition or the operational scenarios and situations, and of the expected combinations of them, defining the design scope. In this example, the operational scenarios are the Primary operational modes, and the situations are the steering modes.
Guidelines for rule definition
Guidelines for rule specification
The specifications should include the following mode set for the Primary operational modes: {Pushback, Taxi, Takeoff, Cruising, Descending, Final descending}
The specifications should include the following mode sets:
The combination Throttle Off and Operator at the helm may be classified as either:
Guidelines for situation-dependent mode transition
Demonstration in the guide ...
According to this classification, the operational rules should be either constraining or alerting.
The requirements should also specify the exceptional combinations. In this example, the only exceptional combination is of the Navigation mode with the Disconnected mode.
Updated on 18 May 2016.