Furuno RP-250 manual Combining AIS with Arpa fusion, AIS3 menu

7. AIS OPERATION

7.13Combining AIS with ARPA (fusion)

If equipped with ARPA it may be jointly used with the AIS. In this case specify the parameters for which an ARPA target is converted to an AIS target.

1.Confirm that "ARPA" is shown at the top right-hand corner of the display and then press the [AIS MENU] key to open the AIS menu.

2.Press the [0] key.

3.Press the [0] key again to show the AIS3 menu.

[(AIS(3)]

1[AIS(2)]

2FUSION OFF/ON

POSN 0.000NM RNG 0.000NM BRG 00.0 SPD 0.0KT CSE 00.0￿

AIS ALARM MESSAGE

AIS3 menu

4.Press the [2] key (FUSION).

5.Press the [2] key again to choose ON and press the [ENTER] key.

6.Enter the information below, pressing the [ENTER] key after entering each data. This information will be used to determine which ARPA targets to convert.

POSN: Range between AIS target and ARPA target.

RNG: Enter the range difference from own ship to AIS target and ARPA target.

BRG: Enter the bearing difference from own ship to AIS target and ARPA target.

SPD: Enter the speed difference between AIS target and ARPA target.

CSE: Enter the course difference between AIS target and ARPA target.

7.Press any menu key to close the AIS menu.

If the information above is within the corresponding value of the ARPA and AIS targets, the targets are judged to be the same, the ARPA symbol is erased and only the AIS symbol is displayed. Further, “ARPA FUSION” appears at the bottom right corner of the display at the time of conversion and the ARPA target no. appears next to the AIS symbol.

Note: An ARPA target whose speed is less than 1 kt is converted to an AIS target if it meets all other criteria other than course.

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