3 connections, Caution, Figure 4-2 display unit, rear view – Furuno FMD-811 User Manual
Page 38: The unit can be connected to the following radars, Radar connection

28
4.3 Connections
Connect the signal and power cables, the
ground wire and optional equipment as
shown in Figure 4-2.
RP
HDG
NMEA
DJ-1
OPTION
MARINE RADAR
TYPE
SER.NO.
DATE
COMPASS SAFE DISTANCE
STD
M STEER
M
EQUPMENT CLASS
FURUNO ELECTRIC CO., LTD
10.2-31.2VDC
3 GND
1
2
Signal cable connector
Connect signal cable
from radar here.
NMEA connector
Connect navaid
nere.
HDG connector
Connect heading
sensor nere.
Covered.
(not use)
Power cable connector
Connect power
cable here.
Ground terminal
Connect ground wire between
here and ship's ground.
OPTION connector
Connect navaid,
video sounder, etc.
here.
CAUTION
Tighten the boot-band
securely to ensure
watertightness.
See page 34.
Figure 4-2 Display unit, rear view
Radar connection
The unit can be connected to the following
radars.
For the Connection to FR-7040R/7041R and
MODEL 1941R, change R48 located near T1
from 12K ohms to 8.2K ohms on SPU-9180.
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*: Use XH8P connector assembly supplied; Cut
out NH connector. Solder green wire to coaxial
cable and orange wire to shield.
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