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Subel. G
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42 questions
B
36 questions
C
30 questions
D
48 questions
E
60 questions
F
36 questions
G
48 questions
6 questions
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Subelement G
VHF-DSC Equipment & Comms:
Section 50
VHF-DSC: Other DSC Functions-2:
50G1
What information is normally entered in the address book?
A.
The vessel's IMN.
B.
The vessel's call sign and name.
C.
The vessel's IMO number.
Correct Answer
D.
Vessel's name and
MMSI
number.
50G1
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50G2
Which of the following statements is not true concerning the DSC call data directory?
Correct Answer
A.
All DSC units
typically
store
all of the Transmitted and Received DSC calls in a
single
directory.
B.
Some DSC units have both a Transmit and Receive message directory or database.
C.
Some DSC units have different directories for received calls and sort them by priority.
D.
Calls in the directory should not be deleted - they are necessary for inspections & logkeeping.
50G2
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50G3
Which of the following statements on address book entries is not correct?
A.
Shore based telephone numbers may be entered for automatic telephone calls ashore.
Correct Answer
B.
Address
book
entries
can
only
be
used
to call shore stations.
C.
Public Correspondence Stations may be entered.
D.
A vessel's name and MMSI number may be entered.
50G3
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50G4
The VHF-DSC self-test function (if available) usually performs the following:
A.
Transmits a very weak DSC signal which is picked up by the Ch-70 receiver.
B.
Transmits a weak voice signal which is picked up on Ch-16.
Correct Answer
C.
Makes
a
diagnostic
test
of the
system
without
actually
transmitting a signal.
D.
Does a check sum of the memory chips.
50G4
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50G5
What can the operator do to adjust the audible alarm?
A.
The operator can choose to disable the audible alarm.
B.
VHF DSC units only have visual alarms.
Correct Answer
C.
The alarm cannot be disabled for
Distress
and
Urgency
messages.
D.
The audible alarm control has the same indication for all four message priorities.
50G5
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50G6
When initiating a DSC call through the menu system what is the most likely information that will be displayed after making the first correct keystroke?
A.
The Telecom-1 menu.
B.
The particulars of the previous call.
C.
The priority menu.
Correct Answer
D.
The call
setup
menu.
50G6
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