A.Echoes from a buoy
B.Own ship's marker
C.Echo from a ship on the same course at the same speed
D.Echo from a ship on a reciprocal course at the same speed
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A.Off center
B.True motion
C.Stabilized
D.Head up
A.Alert the watch officer that a vessel is approaching the preset CPA limit
B.Warn of small targets that are initially detected closer than the outer guard zone
C.Guard against target loss during critical maneuvering situations
D.Sound an alarm for targets first detected within the zone
A.The generated CPA will be less than the actual CPA
B.The generated TCPA will be later than the actual TCPA
C.The range of initial target acquisition will be less than normal
D.The targets true course vector will be in error
A.The ARPA will generate data as if the target was still being tracked by radar
B.The ARPA will give an audible and/or visual lost target alarm
C.The ARPA will generate data based on sea return echoes from the vicinity where the target was lost
D.The ARPA has lost all memory of the target and must recompute the target data
A.SeaTalk
B.powerful microprocessors and mega memory capacity
C.chartplotter
D.small-scale chart
最新試題
Which statement is TRUE concerning a vessel equipped with operational radar?().
What will cause the ARPA to emit a visual alarm,audible alarm,or both?()
You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?().
Your ARPA has been tracking a target and has generated the targets course and speed.The radar did not receive a target echo on its last two scans due to the weather.What should you expect under these circumstances().
Your ARPA has two guard zones.What is the purpose of the inner guard zone().
Which condition indicates that your radar needs maintenance?()
()is not a job of the radar antenna.
When you turn on the fast time constant (differentiator) control of a radar it will().
Your ARPA has automatic speed inputs from the log.Due to currents,the log is indicating a faster speed than the speed over the ground.What should you expect under these circumstances().
When navigating in thick fog with the radar on,you should().