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ThE sIMPLIFIED ARPA OPERATION
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ARPA operation
D
Description of the ARPA display
If the radar has received ARPA information of other
vessels or other targets, the icons are displayed as
shown below.
L
see “ARPA settings” later in this section for customizing
the ARPA setting options.
1
Posn: 34°34.707 N
135°20.550 E
BRG:
036.4°R
Dist:
2.480 NM
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4
5
3
Posn: 34°38.448 N/135°22.664 E
T CRs: 172.7°T
TsPD: 15.9kn
CPA: 0.594 NM
TCPA: 07m 19s
BRG: 035.1°R
Dist: 2.397 NM
1
Auto Acquiring zone
Displayed when the Auto Acquire Function is turned
ON in the Menu screen.
The zone is fixed to the ±45° and 2 ~ 2.5 NM
against your vessel’s heading.
2
ARPA Target
Displayed when any ARPA target is began to
acquire or acquired.
3
Selected ARPA target
You can select an ARPA target by moving the
cursor and pushing [ENTER]/[
] on it. Four
corners of a square are displayed when a target is
selected.
The selected ARPA target detail is displayed in the
ARPA information box (
5
).
4
ARPA icon
Displayed when simplified ARPA function started to
acquire or acquired a target.
L
If the Maximum number of ARPA Targets are
acquired, ”FULL” is displayed below the icon.
5
ARPA information box
Displays the selected APRA target details in the
information box.
Position
Reference and Course
Closest Point of
Approach
Bearing against your vessel
Distance from your vessel
Vector mode
ARPA target number
Reference and
speed
Time to Closest
Point of Approach
Posn: 34°38.448 N/135°22.664 E
T CRs: 172.7°T
T sPD: 15.9kn
CPA: 0.594 NM
TCPA: 07m 19s
BRG: 035.1°R
Dist: 2.397 NM
Содержание MR-1220 Series
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