Furuno 841 MARK-2 manual To connect external equipment to the OP- Tion connector, For E/S

Navigation aid, video sounder connection

If your navigation aid can output data in NMEA 0183 data format, your vessel’s posi- tion in latitude and longitude, the range and bearing to waypoint, speed, and course may be input to this radar, and be seen in the bot- tom text area.

The OPTION connector

To connect external equipment to the OP- TION connector;

1)Remove the plastic cover on the connector.

2)Connect equipment to J61 on the SPU Board as shown in Figure 5-13.

Further, if your video sounder can output depth in NMEA 0183 data format, depth can be displayed on the navigation data displayed in graph form during stand-by.

You will need an NMEA cable:

For navaid;

Type	Code no.	Remarks
MJ-A6SPF0012-050	000-134-424	6P-6P(5m)

DISPLAY

UNIT

J61

SPU-9180

Cable supplied with radar (connector assy. 03-1796(5))

VIDEO

SOUNDER

MJ-A6SPF0012-100 000-133-817 6P-6P(10m)

For E/S;

Type	Code no.	Remarks
MJ-A6SPF0011-050	000-132-224	6P-4P(5m)
MJ-A6SPF0011-100	000-132-336	6P-4P(10m)

Two NMEA connectors are provided at the rear of the display unit: the NMEA connector and the OPTION connector.

Heading Sensor Connection

Heading signal can be connected to the “HDG” connector. 10 m cable assembly is optionally available.

Type	Code no.	Remarks
MJ-A6SPF0007-100	000-125-237	C-2000
MJ-A6SPF0009-100	000-125-236	AD-100

Cable supplied

Solder and with video sounder tape.

Figure 5-13 How to connect external equipment to the OPTION connector

3)Cover signal cable at junction with display unit with silicone sealant.

Distribution NAV data to the other equipment

This radar can output NAV data received from a navaid to an echosounder or video plotter by making the modifications as shown in be- low.

MODEL 841 MARK-2

J55			J61
TX_H			TX_H
TX_C			TX_C
RD_H			RD_H
RD_C			RD_C
N.C.	JP4		SHIELD
SHIELD		JP3(CUT)

	Solder		Other Equipment
			(Telesounder data
03-1796(5P)		NMEA cable	not be mixed)
BRN			TX_H
RED			TX_C
ORG			RD_H
YEL			RD_C
GRN			N.C.
			SHIELD
		NMEA cable	Telesounder
			TX_H
			TX_C
			RD_H
			RD_C
			N.C.
			SHIELD

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