JRC JMA-5212-4/6 User Manual page 33

ISW
Lost AIS target
Lost tracked target
LP
MMSI
MOB
MON
MP
nm
NSK
N up
Own track
PI
Past positions
POSN
PRF
PROC
Radar beacon
InterSWitch
A target symbol representing the last valid position of an AIS target
before the reception of its data was lost, or its last dead-reckoned
position.
One for which target information is no longer available due to poor, lost
or obscured signals.
Long Pulse
Maritime Mobile Service Identity
Man OverBoard
Performance monitor
Medium Pulse
1nm=1852m
North Stabilization Kit
North up
The north is always pointed to the top center of the radar display.
Display function of own ship's track
Parallel Index line
Equally time-spaced past position marks of a tracked or AIS target and
own ship.
POSitioN
Pulse Repetition Frequency
The number of radar pulses transmitted each second.
PROCess
Radar signal processing function
A navigation aid which responds to the radar transmission by generating
a radar signal to identify its position and identity
L
M
N
O
P
R
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