7-A-079: MF-HF: Controls: Volume, Squelch, Power, Frequency & Mode
7-079A:
Which modes could be selected to receive vessel traffic lists from high seas shore stations:
SSB and FEC
AM and VHF-FM
ARQ and FEC
VHF-FM and SSB
7-079B:
MF/HF Transceiver Power levels should be set:
To the lowest level necessary for effective communications.
To the level necessary to maximize the propagation radius.
To the highest level possible so as to ensure other stations cannot "break-in" on the channel during use.
Both a) and c)
7-079C:
Which statement regarding GMDSS MF/HF Transceiver frequency set-up is true:
Depending on the manufacturer, either a) or b) could be true.
Transmit and receive frequencies may be manually entered from the keypad.
ITU channels must be recalled from a database or memory.
All consoles allow both manual keypad entry and ITU channel recall from a database.
7-079D:
Which statement regarding GMDSS MF/HF Transceiver frequency set-up is true:
Some consoles allow both manual keypad entry and ITU channel recall from a database or memory, while others do not.
Transmit and receive frequencies must always be manually entered from the keypad.
Transmit and receive frequencies must always be recalled from a database or memory.
None of the above
7-079E:
To set-up the MF/HF Transceiver for a TELEX call to a coast station, the operator must:
Select F1B mode or J2B mode, depending on the equipment manufacturer.
Select J3E mode for proper SITOR operations.
Select F1B/J2B modes or J3E mode, depending on whether ARQ or FEC is preferred.
None of the above
7-079F:
To set-up the MF/HF Transceiver for a voice call to a coast station, the operator must:
Select J3E mode for proper voice operations.
Select J3E mode for proper SITOR operations.
Select F1B mode or J2B mode, depending on the equipment manufacturer.
Select F1B/J2B modes or J3E mode, depending on whether FEC or ARQ is preferred.
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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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