JRC JMA-5208, Instruction Manual

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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.
E
EBL
Electronic Bearing Line
An electronic bearing line originated from own ship’s position.
ENH
Enhance
ETA
Estimated Time of Arrival
G
Ground
stabilization
A display mode in which speed and course information are referred to
the ground, using ground track input data.
H
HDG Heading
The horizontal direction that the bow of a ship is pointing at any instant,
expressed in angular units from a reference direction .
HL
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
HSC
Vessels which comply with the definition in SOLAS for high speed
craft
H up Head up
Own ship’s heading line is always pointed to the top center of the radar
display.
I
IMO
International Maritime Organization
Interswitch Unit
A device to switch over two or more radar display units and two or
more scanners.
IR
radar Interference Rejecter