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2-1
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
Cursor
H-UP
.250/ 319.9
°
M
.125nm
SP
TRAIL 30m
02m30s
G1 IN
G2 OUT
ES L
EAV L
IR L
Range/
range ring
interval
Presentation
mode
Alarm icon
Battery icon
Zoom area
Zoom
window
Guard zone 1
Trail time
Trail elapsed time
Guard zone 1
Guard zone 2
Echo stretch
Echo averaging
Interference rejector
Guard zone 2
VRM2
EBL1
VRM1
EBL2
Range ring
Pulselength
Heading
M: Magnetic
T: True
Heading line
EBL1 range
VRM1 range
Cursor range
and bearing
(Cursor position
may also be shown,
in L/L or Loran TD.)
EBL2 bearing, VRM2 range
EBL1
17.0°R
VRM1
0 .158nm
EBL2
322.1°R
VRM2
0 .194nm
359.9°R
0.277nm
+
Own ship vector
(Requires ARP,
true vector mode)
North marker
(Head-up, course-up mode)
S
I
M
Simulation
mode
icon
Radar display