What should your requirements be when approaching a defect detector?

The most relevant requirement when approaching a defect detector is to be prepared for a greeting from the defect detector. This "greeting" refers to the signals and notifications that the defect detector will provide as trains pass it, indicating whether there is a potential equipment issue detected. Understanding and anticipating these communications is crucial for ensuring the safety and proper handling of train movements.

While being alert for visual prompts, awareness of local speed limits, and preparedness to stop are all important components of operational safety when handling equipment, they do not specifically relate to the unique protocol of interacting with a defect detector. The defect detector has an active role in monitoring train conditions and will present specific alerts or messages that train crews need to be cognizant of, making the awareness of these greetings the priority in this context.