What must be followed when complying with Rule 231 signs in MCS mode?

Following Rule 231 signs in MCS (Manual Control System) mode primarily revolves around the adherence to the posted speed sign. This is crucial because Rule 231 specifically emphasizes the importance of maintaining safety and operational efficiency by regulating vehicle speed based on environmental conditions and operational demands. The posted speed sign serves as a direct indication of the maximum allowable speed in a designated area, and complying with it ensures that operators maintain control of the vehicle while minimizing the risk of accidents or mishaps.

Adhering to this regulation is fundamental to maintaining the safety of both the operator and any passengers or crew members aboard. Operating at a safe speed as indicated by these signs can help in navigating various conditions that may arise in different settings, such as construction zones, pedestrian areas, or hazardous terrains, which often require a reduced speed for safe transit.

While standard operating procedures, passenger notification, and crew feedback are all important for overall operational effectiveness and safety, they do not specifically address the actions required in relation to Rule 231 signs. These other aspects may enhance safety and communication but do not override the legal and operational imperative of adhering to the posted speed signs.