What is TRUE of the history display of a target’s past positions on an ARPA?()
A:It provides a graphic display to emphasize which vessel is on a collision course
B:In the true presentation,it provides a quick visual check to determine if a vessel has changed course
C:The display is one of the primary inputs and must be in use when using the trial maneuver capability
D:It provides a graphic display of a target vessel's relative course,speed,and CPA
出自:海船船员证