GMDSS: Element 7

1. A By dialing the correct code on the telephone remote unit.
2. B By pressing one or more dedicated "Distress key" on the equipment.
3. C By contacting the CES operator, and announcing a Distress condition is in existence.
4. D By contacting the CES operator using the radiotelephone Distress procedure "Mayday... etc.

Tip: press A-D to answer