In MATC mode, what must the Train Engineer do when approaching a Call for Orders location?

In MATC (Manual Automatic Train Control) mode, the Train Engineer's approach to a Call for Orders location requires transitioning to MCS (Manual Control System) mode. This transition is critical because it allows the engineer to take manual control of the train in situations where specific orders are either given or required.

The MCS mode is designed to ensure that the engineer can respond appropriately to any changes in instructions or track conditions that may not be catered to under automatic control. By shifting to MCS mode, the engineer can maneuver the train as necessary based on the received orders, ensuring compliance with any operational directives.

Operating in ATC (Automatic Train Control) mode would not allow for the flexibility needed to respond to specific orders, as the train would continue to operate under the constraints of automated signals. Stopping without further instructions would be inappropriate unless specifically instructed, as it could lead to delays and operational inefficiencies. Similarly, increasing speed to clear the signal would also be contrary to safety protocols and procedures surrounding calls for orders, which require specific attention to instructions rather than any assumption of operational needs. Thus, transitioning to MCS provides the necessary adaptability and control when approaching a Call for Orders location.