JRC JMA-5312-6 Instruction Manual page 24

COG
CORREL
CPA/TCPA
CTW
DRIFT
EBL
ETA
Ground
stabilization
HDG
HL
HSC
H up
IMO
Interswitch Unit
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
CORRELation
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.
Course Through Water
The direction of the ship's movement through the water
The current velocity for manual correction or the current speed on the
horizontal axis of the 2-axis log is displayed.
Electronic Bearing Line
An electronic bearing line originated from own ship's position.
Estimated Time of Arrival
A display mode in which speed and course information are referred to
the ground, using ground track input data.
Heading
The horizontal direction that the bow of a ship is pointing at any
instant, expressed in angular units from a reference direction .
Heading line
A graphic line on a radar presentation drawn from the consistent
common reference point to the bearing scale to indicate the heading
of the ship
Vessels which comply with the definition in SOLAS for high speed
craft
Head up
Own ship's heading line is always pointed to the top center of the
radar display.
International Maritime Organization
A device to switch over two or more radar display units and two or
more scanners.
D
E
G
H
I
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