Furuno FR-2125V ARP Board ARP-26, Installation of the ARP board, ARP board adjustment

4.2 ARP Board ARP-26

The ARP Board ARP-26, which provides ARPA functions, is an optional circuit board which is accommodated in the display unit. Note that the ARP-26 is not available with the statute mile-type radar.

Necessary Parts: ARP-26-2E (008-485-500)

Name	Type	Qty	Code No.
ARP Board	18P9002B	1	008-473-650

Installation of the ARP board

1.Turn off the power. Remove the front panel from the display pedestal by unfas- tening four screws.

2.Set the ARP Board in the center slot of the PCB card case.

Display pedestal

Top: RP Board (Option)

Middle: ARP Board (Option)

Bottom: SPU Board

Figure 4-5 Display pedestal, inside view

3. Adjust the ARP Board referring to the procedure below.

ARP board adjustment

1.Turn the GAIN, A/C SEA and A/C RAIN controls fully counterclockwise (OFF). Transmit on the 12 nm range.

2.Connect a digital multimeter between TP7(+) and TP6(-) on the ARP Board.

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