A.No action is necessary，as the DSC control unit will automatically switch to the NBDP follow-on communications frequency
B.The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received
C.The Operator should immediately set continuous watch on VHF channel 70
D.The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received
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A.A compulsory vessel must carry at least two (2) licensed GMDSS operators
B.A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails
C.A compulsory vessel must be able to transmit and respond to distress alerts
D.All of the above
A.A compulsory vessel must carry at least two licensed GMDSS Radio Operators
B.A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails
C.A compulsory vessel must be able to transmit and respond to distress alerts
D.All of the above
A.It will abort the transmission and set off an audible alarm that must be manually reset
B.It will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situation
C.It will initiate the DSC distress alert and default information will automatically be transmitted
D.It will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situation
A.Emergency Position Indicating Radar Buoy
B.Electronic Pulse Indicating Radiobeacon
C.Emergency Position Indicating Radiobeacon
D.None of the above
A.Two licensed GMDSS radio operators
B.Equipment carriage requirements
C.Distress alerting and response
D.All of the above
最新試題
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.
Radio beacon can be activated（）in case of distress.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
By using（）system a ship can send a distress message and know with certainty it will be received.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.