A.The transmission is aborted and an alarm sounds to indicate this data must be provided by the operator
B.The transmission is not initiated and "ERROR" is indicated on the display readout
C.The transmission will be made with "default" information provided automatically
D.The receiving station will poll the DSC unit of the vessel in distress to download the necessary information
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A.or
B.and
C.but
D.unless
A.identify
B.identifier
C.identity
D.identification
A.seen
B.sighted
C.watched
D.located
A.At least two years after the last entry
B.At least one year after the last entry
C.At least 90 days after the last entry
D.At least 30 days after the last entry
A.6 months
B.1 year
C.2 years
D.3 years
最新試題
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
We consider（）send a helicopter with medical facilities to the distress area.
SOLAS ships shall be equipped with（）.
COSPAS-SARSAT is intended to be used for（）.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.
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.
Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.