A.The target vessel's generated course and speed are based solely on radar inputs
B.Navigational constraints may require a target vessel to change course
C.The trial maneuver feature will automatically determine a course that will clear all targets
D.You cannot determine if a small target has been lost due to sea return
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A.center bearings
B.tangent bearings
C.ranges
D.objects that are close aboard
A.station the look-out in the wheelhouse to keep a continuous watch on the radar
B.secure the sounding of fog signals until a vessel closes within five miles
C.station a look-out as low down and far forward as possible
D.keep the radar on the shortest available range for early detection of approaching vessels
A.in the way
B.the way
C.by the way
D.through the path
A.An acquired target entering into a guard zone
B.A tracked target lost for one radar scan
C.A tracked target entering your preset CPA-TCPA limits
D.A target being initially detected within a guard zone
A.Increasing radar range to a fixed object ahead
B.Drift lead with the line leading perpendicular to the centerline
C.Vibrations felt by placing a hand on the cable
D.Changing bearings to distant fixed objects abeam
最新試題
Your radar displays your ship off center．As you proceed on your course， your ship’s marker moves on the PPI scope while echoes from land masses remain stationary.What is this display called（）.
You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced? （）
Which statement about an estimated position is TRUE?（）
When using a radar in a unstabilized mode，fixes are determined most easily from（）.
You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.
PPI is（）.
The（）has a built-in world map; most areas are displayed on a scale of 4000 nm from the top to the bottom of the screen，and can be zoomed in to 150 nm.
The development of（）led to the fully automatic ARPA systems installed on commercial ships.
（）is not used in modern radar.
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（）.