PATH Train Engineer Recertification 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 450

What is the color of the active PA-5 cab display on the TOD screen?

Red square

Yellow square

Green square

The active PA-5 cab display on the TOD (Train On-Board Display) screen is represented by a green square. This color coding is essential for quickly communicating the operational status of the train to the engineer. A green display indicates that the system is functioning correctly and that the engineer can proceed with normal operations.

Using color coding in displays enhances quick recognition and response during train operations. The green square provides a clear visual cue, allowing engineers to maintain focus on their duties while being aware of the status of various systems. Other colors, such as red or yellow, typically signify warnings or alerts, indicating issues that need immediate attention. Thus, the green square's function is critical for safe and efficient train operations.

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