9-21B5 A
If the vessel is beyond range of NAVTEX broadcasts and the Sat-C system fails, the GMDSS operator must:
A. Select an HF MSI frequency and FEC TELEX mode to receive MSI.
B. Select 518 kHz ARQ TELEX on the MF/HF console to receive MSI.
C. Request repairs of the Sat-C system and wait until within range of NAVTEX.
D. Select 518 kHz FEC TELEX on the MF/HF console to receive MSI.
