Glossary - JRC JMA-993-SA Instruction Manual

GLOSSARY
This section describes the main terms used for this equipment and general related maritime terms.
ARPA:
Automatic Radar Plofting Aid.
AZI MODE (Azimuth Stabilization MODE):
Bering display mode
BCR (Bow Cross Range):
Bow cross range
BCT (Bow Cross Time):
Bow cross time
BRG (Bearing):
Bearing
CPA {Closest Point of Approach):
The closest point of approach from own ship,
wtlich can be set by the observer
GOG (Course Over The Ground):
Course relative to the ground.
C UP (Course-Up):
Own ship's course is pointed to the top center
of he radar display.
DRIFN
Distance covered solely due to cunent, tidal
stream and surface drift.
EBL (Electronic Bearing Line):
An electronic bearing line originated from
own ship's position.
Floating EBL:
Arbitrary point is EBL at the center.
GND STAB (Ground Stabilization):
Stabilization relative to the ground.
GPS (Global Positioning System):
The position of a GPS receiver can be
determined by the signals from GPS satellites
Guard Zone:
Alarm ring against intrusion
HDG (Heading):
Own ship's heading bearing.
The display ranges from 000.0 to 359.9 degrees
as scanned clockwise.
HL (Heading Llne):
Ship's heading line.
H UP (Head.Up):
Own ship's heading line is always pointed to the
top center of the radar display.
tMo:
International Maritime Organization
Inter Switch(lSW):
Inter-switch function
Equipment that switches connection of two or
more Display unit and two or more Scanner.
IR:
Interference Rejector
MMSh
Maritime Mobile Service ldentitv
MARK:
Use as a temporary marker ( "O" mark )
NM (Nautical Mile):
1NM = 1852m
MSK (North Stabilization Kit):
True bearing unit
N UP (North-Up)
The north is always pointed to the top center of
the radar display.
OWNTRACK:
Display funclion of own ship's track