2.
RADAR OPERATION
This chapter covers radar operation, including the ARP (Auto Plotter) function.
ARP requires a Model 1800/1900 series network radar equipped with the ARP
circuit board.
2.1
Radar Display
North marker
(Head-up, Course-up mode)
Range/
Pulselength
range ring
interval
12/
Presentation
LP
H-UP
mode
Alarm icon
EBL1
Battery icon
S I
Simulation
M
mode
Guard zone 1
Range ring
VRM1
Zoom area
EBL1
EBL1 bearing
VRM1
VRM1 range
Guard zone 2
Cursor
3nm
EBL2
327.1 R
27.0 R
VRM2
8.212nm
5.666nm
EBL2 bearing, VRM2 range
Heading
M: Magnetic
Heading line
T: True
M
319. 9
+
Radar display
Trail time
TRAIL 30m
02m30s
Trail elapsed time
G1 IN
Guard zone 1
G2 OUT
Guard zone 2
ES 2
Echo stretch
EAV L
Echo averaging
IR L
Interference rejector
VRM2
EBL2
Own ship vector
(ARP-equipped model,
true vector mode)
Zoom
window
359.9 ˚R
Cursor range
11.70
nm
and bearing
(Cursor position may
also be shown, in
L/L or Loran C TD.)
2-1
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