Furuno 841, 821 manual Option connector, Procedure

Navigation aid, video sounder connection

If your navigation aid can output data in NMEA 0183 data format, your vessel’s po- sition 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.

DISPLAY

UNIT

J61

SPU-9180

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

VIDEO

SOUNDER

Further, if your video sounder can output depth in NMEA 0183 data format, depth can be displayed on the navigation data dis- played 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)
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 connec-

Cable supplied

Solder and with video sounder tape.

Figure 5-15 How to connect external equipment to the OPTION connector

3)Cover signal cable at junction with dis- play 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 below.

tor 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

	J55 (NMEA)
SPU9180
TLL, RSD	J61
MODEL 821/841, FMD-811

Navaid

Echosounder

Video plotter

MJ-A6SPF0009-100 000-125-236 AD-100

The OPTION connector

To connect external equipment to the OP- TION connector;

1)Remove the plastic cover on the connec- tor.

2)Connect equipment to J61 on the SPU Board as shown in Figure 5-15.

The position data from navaid can be used for the echosounder if a video plotter is not connected.

Procedure

1.Unfasten the nuts fixing the waterproof connector to remove the covers of the power and display unit.

2.Remove all connectors from SPU Board (SPU-9180).

3.Unfasten three screws to remove the board.

4.Remove JP3, R91 and R92 on the parts side of SPU Board.

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