Function

The primary stations are used by the operators to control the functional unit in routine operation.

General guidelines

The primary station is typically intended to operate in normal situation, in routine.

If the system is intended to operate by professional, then the style should support seamless, carefree operation. This implies that:

• Controls should be used consistently: their function should not depend on the particular scenario or situation.
• Displays should enable fast situation recognition: each situation should have its unique representation, that can be perceived at a glance.

If the system is intended to operate by occasional users (such as home and public systems) then the style should support easy orientation and learning, and error prevention. This implies that:

• The effect of the situation on the functions issued by a control should be explained interactively
• Display design should rely on textual descriptions, in terms of the users.

Updated on 20 Apr 2016.