🔍 Key Concepts

• Difference between regulations and operating instructions • Purpose of GMDSS equipment manuals • What SafetyNET and ITU publications are mainly used for

💭 Think About

• Ask yourself: which option would tell you step‑by‑step how to operate a specific piece of GMDSS equipment on your vessel? • Which choices are more about laws/standards or information services, rather than hands‑on operating procedures? • If you were troubleshooting a GMDSS set on board, which reference would the manufacturer expect you to use?

✅ Before You Answer

• Identify which choice is a legal/regulatory reference rather than a practical operating guide. • Identify which choice is primarily a service for receiving safety information, not instructions for using your own gear. • Look for the option that is specific to your exact model of equipment and written by the company that built it.