7-A-095: MF-HF: FEC Operation #2
7-95J1:
If the vessel is within range of NAVTEX broadcasts and both the Inmarsat-C and the NAVTEX receiver are inoperative the GMDSS operator should:
Select 518 kHz FEC TELEX on the MF/HF console to receive MSI.
Select 518 kHz ARQ TELEX on the MF/HF console to receive MSI.
Request repairs of the Sat-C system and wait until within range of NAVTEX.
Select an HF MSI frequency and ARQ TELEX mode to receive MSI.
7-95J2:
If the vessel is beyond range of NAVTEX broadcasts and the Inmarsat-C system fails, the GMDSS operator must:
Select an HF MSI frequency and FEC TELEX mode to receive MSI.
Select 518 kHz ARQ TELEX on the MF/HF console to receive MSI.
Request repairs of the Sat-C system and wait until within range of NAVTEX.
Select 518 kHz FEC TELEX on the MF/HF console to receive MSI.
7-95J3:
If the vessel is experiencing atmospheric interference with NAVTEX broadcasts, especially in the tropics, the GMDSS operator should:
Select one of the 8 HF MSI frequencies and set-up the transceiver in FEC TELEX mode.
Select one of the 6 MF MSI frequencies and set-up the transceiver in ARQ TELEX mode.
Select one of the 6 HF MSI frequencies and set-up the transceiver in FEC TELEX mode.
Select the MF MSI frequency dedicated to tropical MSI and set-up the transceiver in FEC TELEX mode.
7-95J4:
Why must the GMDSS operator be able to set-up FEC & ARQ modes and differentiate between them?
The proper mode must be selected for follow-on TELEX communications in a Distress situation and for the reception of HF MSI.
The proper mode of SFEC must be selected for reception of HF MSI and ARQ selected for initial follow-on TELEX communications in a Distress situation.
The ARQ TELEX mode must be selected for follow-on TELEX communications in a Distress situation and the BFEC TELEX mode selected for reception of HF MSI.
The BFEC TELEX mode must be selected for follow-on TELEX communications in a Distress situation and the ARQ TELEX mode selected for reception of HF MSI.
7-95J5:
FEC SITOR (NBDP) transmissions might be used to?
Send and receive Distress TELEX communications and receive HF MSI or NAVTEX.
Receive Coast station traffic lists, NAVTEX and VHF MSI broadcasts.
Receive weather messages or download ARQ Coast Station traffic lists.
Receive weather messages and send vessel weather OBS messages.
7-95J6:
FEC SITOR (NBDP) transmissions are normally used to?
Receive HF MSI and NAVTEX.
Receive Coast station traffic lists, NAVTEX and VHF MSI broadcasts.
Receive weather messages, Coast Station traffic lists and company messages.
Receive company communications sent through coast stations.
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Color key:
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● = Unseen
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● = Weak
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● = Review
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● = Learned
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● = Incorrect answer
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