A.receive shore-to-ship distress alerting
B.transmit ship-to-shore distress alerting
C.receive message for public correspondence
D.transmit and receive locating signals
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A.an EGC receiver only
B.a satellite communication system
C.a HF radio system
D.a VHF with DSC system
A.English/all distress communications
B.Chinese/some distress calls
C.the language decided by Administration/all distress calls
D.Japanese/some distress alerts
A.countries
B.states
C.names
D.groups
A.200
B.300
C.400
D.800
A.a dummy antenna
B.a supporting facilities
C.a back-up equipment
D.an antenna
最新試題
Radio beacon can be activated（）in case of distress.
The vessel has stayed in port for seven days because she needs（）.
Ship-to-ship distress alerting should be conducted by（）.
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.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
Before GMDSS, if the radio officer on board is serious ill,（）.
（）will form the basis for distress alerting and safety calling.
What following is not among the function of SOLAS ships?（）
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
All coast radio stations（）DSC installed for VHF and HF.