Operation Manual

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A-35
APPENDIX
1-11. AIS and ARPA Target Association Condition
■ When the distance between an AIS target and an ARPA target is less than the “identical
distance” of a preset value, these targets might be the same. In this case, only AIS symbol is
displayed and ARPA symbol may be suppressed. The method of setting the “identical distance”
to activate this association is as follows.
1. Left-click MENU on the screen.
Main menu opens.
2. Left-click SUB1 MENU .
SUB1 menu opens.
3. Left-click ARPA/AIS .
ARPA/AIS menu opens.
4. Left-click AIS SETTING.
AIS SETTING menu opens.
5. Left-click the "7.IDENTICAL DISTANCE" edit box.
TCPA LIMIT will be selected.
The numeric input dialogue box is opened.
6. Input the new value by pressing the 0 to 9 number keys or by using the + or
- keys, then press END to input.
Note:
1. ARPA symbol which was suppressed by this association can be re-displayed by switching
OFF the AIS display. See “1-6 AIS Symbol Display”.
2. Both AIS and ARPA symbol are displayed when the “IDENTICAL DISTANCE” is set to zero.
(Association OFF mode.) When turning power on the radar display, the “IDENTICAL
DISTANCE” is set to zero.
Operation
procedure