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
When using an ARPA,what should you consider in order to evaluate the information displayed?()
What will cause the ARPA to emit a visual alarm,audible alarm,or both?()
When you turn on the fast time constant (differentiator) control of a radar it will().
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? ()
You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?().
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.
PPI is().
()is not a job of the radar antenna.
Which statement is TRUE concerning a vessel equipped with operational radar?().