9-21B1 A
 If a vessel is within range of NAVTEX broadcasts and both the Inmarsat-C and the NAVTEX receiver are inoperative the GMDSS operator should:
A. Select 518 kHz FEC TELEX on the MF/HF console 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 an HF MSI frequency and ARQ TELEX mode to receive MSI.
