ECDIS must give an alarm for which of the following cases ().A.When the specified limit fo
ECDIS must give an alarm for which of the following cases ().
A.When the specified limit for deviation from the planned route is exceeded
B.If the ship,within a specified time set by the watch officer,is going to cross a safety contour
C.If the ship,within a specified time set by the watch officer,is going to cross the boundary of a prohibited area
D.All of the above