Modes are controlled manually, by the operators. An operator may set the operational mode either explicitly or implicitly:
The mode is explicit if the system design includes a means for the operator to select the mode from a mode set.
An On-Off switch is used to operate an engine.
An implicit mode is one not represented in the specification documents. Often, it is implied from the operator's activity.
Display dependent on implicit mode ( shared display ). The mode is implied by the sequence of buttons activated beforehand.
Updated on 12 Jun 2016.