What is usually the first step for a GMDSS radio operator to take when initiating a distress priority message via Inmarsat?
A.
By dialing the correct code on the telephone remote unit.
B.
By pressing a"Distress Button" or "Distress Hot Key(s)”on ffie equipment.
C.
By contacting the CES operator and announcing a distress condition is in existence.
D.
By contacting the CES operator using the radiotelephone distress procedure "Mayday".