JRC JMA-9923-7XA - Glossary

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