Category 1. Abnormal Situation Handling

Category 1 Abnormal situation handling, including start-up and shutdown. 

Category 1. Abnormal situation handling (includes startup and shutdown) Category 2. Normal operation (most utilized role)... 

Each of these categories represents different activities, behaviors, and competencies. It is therefore not surprising that the display requirements for these categories of activity differ. Guidelines such as EEMUA 201 2002 advocate the use of multiple screens, such that read-only screens display only the current system picture and alarms status. These displays should be supplemented with additional displays for optimization and abnormal situation handling. 

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