User's Manual

GLOSSARY
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GLOSSARY
This section describes the main terms used for this equipment and general related maritime terms.
A
AZ
Acquisition/Activation zone A zone set up by the operator in which the system should automatically acquire radar targets and activate reported AIS targets when entering the zone.
Activated target
A target representing the automatic or manual activation of a sleeping target for the
display of additional information.
AIS
Automatic Identification System A system which enables ships and shore stations to obtain identifying and navigation information about other ships at sea, using an automated transponder.
Anti-clutter rain
Rain/snow clutter suppression.
Anti-clutter sea
Sea clutter suppression.
AZI
AZImuth stabilization mode
B
BCR/BCT
Bow Crossing Range and Bow Crossing Time
C
C up
Course up Own ship’s course is pointed to the top center of the radar display.
CCRP
The Consistent Common Reference Point A location on own ship, to which all horizontal measurements such as target range, bearing, relative course, relative speed, CPA or TCPA are referenced, typically the conning position of the bridge.
Clutter
Unwanted reflections on a radar screen, from sea surface, rain or snow.
COG
Course Over Ground The direction of the ship's movement relative to the earth, measured on board the ship, expressed in angular units from true north
CORREL
Correlation
CPA/TCPA
The distance to the Closest Point of Approach and Time to the Closest Point of Approach. Limits are set by the operator and are related to own ship.
CTW
Course Through Water The direction of the ship's movement through the water
D
DRIFT
The current velocity for manual correction or the current speed on the horizontal axis of the 2-axis log is displayed.