FM-4850 Operator’s Manual
Note
To avoid feedback, you should mount the horn speaker at least 3 m
(10 ft) away from, and facing away from, the handset.
Step 2 Route or extend the wire from the horn speaker to the radio.
Step 3 Connect the red wire on the radio wiring harness to the positive (+) wire
from the speaker.
Step 4 Connect the black wire on the radio wiring harness to the negative (-) wire
from the speaker.
Step 5 Cover the connections with a waterproof tape or heat-shrinking tubing.
15.3.7 NMEA2000 Connector (CAN bus connector)
CAN bus is a communication protocol that shares multiple data and signals through
a single backbone cable. You can simply connect any CAN bus devices onto the
backbone cable to expand your network onboard. With CAN bus, IDs are assigned
to all the devices in the network, and the status of each sensor in the network can
be detected. All the CAN bus devices can be incorporated into the NMEA2000
network.
15.3.8 Extension Cable
Step 1 Drill a round or square hole on the ship panel.
The diameter of the hole ranges from 23.5 mm to 25 mm.
Step 2 Thread the extension cable through the hole.
Step 3 Place the seal, cable holder, and waterproof cover sequentially around
the extension cable.
Step 4 Fasten the nut.
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