What is the first thing you should do if you are communicating with another amateur station and hear a station in distress break in?
Inform your local emergency coordinator
Acknowledge the station in distress and determine what assistance may be needed✓Bonne réponse
Immediately decrease power to avoid interfering with the station in distress
Immediately cease all transmissions
Explication
A distress call outranks everything else on the frequency, and the station that hears it is the one in position to act. Acknowledging first establishes contact and tells you what is actually needed, which is what any further step, including calling an emergency coordinator, depends on.