JRC JMA-993-SA Instruction Manual page 339

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1-2 Initial Settinq
IGPS Antenna installation position Setting
The distance of the GSP antenna from the position of the radar scanner should be set.
1. Left-click lMettUlon the screen.
MAIN menu opens.
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CODE INPUT menu opens.
3. Left-click [*o-l -- l-Errol.
ADJUST menu opens.
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ARPA/AIS menu opens.
5. Left-clickF-lS.
AIS menu opens.
ADJUST
ARPA,/A IS
I. GSP ANT.
LOCAT ION
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6. The GPS antenna rough direction from the radar scanner is chosen with the GPS
button " P ".
7. Left-click me
Q
button in the g box of "1.GPS ANT. LOCATION".
The distance of the GPS antenna from the radar scanner in bow-stern
direction should be entered. (The direction of the bow side is plus and the
direction of the stern side is minus.)
8. Left-click the l$lbutton in the $, box of "1.GPS ANT. LOCATION".
The distance of the GPS anlenna from the radar scanner in port-starboard
direction should be entered. (The direction of starboard side is plus and the
direction of the oori side is minus.
Notet
Unless it performs this setup correctly, the position of an AIS symbol may not
coincide with the radar echo position of the target.
Note2
When this setup is performed, offset is added to the data received from GPS, and the
compensated latitude and longitude are displayed as own ship position. lt would be
the radar scanner installation position.
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