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24 NAVMAN FISH 4200 Installation and Operation Manual
Warning
1 Amp fuses must be positioned where shown in
the wiring diagrams.
If possible, route the transducer cables away from
other wiring on the boat. Electrical noise from engine
wiring, bilge pumps and other electrical equipment
can affect the unit.
The shortest and most direct connection to the boat's
battery helps to minimise voltage drop. Ensure that
any cable connections do not lay in the bilge.
Two wiring options are described in this section:
·Basic Wiring. This does not start the fishfinder
automatically when the boat ignition is switched
on and it disables the engine hours counter.
·Auto Power Wiring. This must be used for
engine hours and fuel computer options.
Important
The FISH 4200 must be run off a 12 volt battery and
must not be run off a circuit without a battery.
Basic Wiring
Black wire: Connect this to the negative battery
terminal.
5-4 Wiring Connection
1A fuse
1A fuse
1A Fuse Red
Yellow
Black
Main
switch
12 V DC
Red wire: Connect this to the 12V positive battery
terminal after the main switch. Fit a 1 Amp fuse as
shown.
Yellow wire: Connect this to the black wire. This
disables the engine hours counter.
Power on the fishfinder manually whenever the main
switch is on.
White (NMEA
out)
Green
External
Beeper or
Light
Red
Yellow
Black
Main
switch
12 V DC
Ignition
switch
To ignition
system
Auto Power Wiring
Black wire: Connect this to the negative battery
terminal.
Red wire: Connect this to the 12V positive battery
terminal after the main switch. Fit a 1 Amp fuse as
shown.
Yellow wire: To enable the engine hours counter
and start the fishfinder automatically when the
ignition is turned on, connect the yellow wire to the
ignition system, through a 1 Amp fuse. Note that
the fishfinder cannot be turned off while the ignition
is on.
Flashing Light and/or External beeper
Use the green wire, if desired, to connect a
secondary alarm indicator such as a flashing light
or a 12V external beeper with a built in drive circuit.
Refer to the wiring diagram. If the external beeper
or light requires more than 250mA DC total, fit a
12V relay. Consult your NAVMAN dealer for more
advice.
NMEA Instruments
Use the white wire, if desired, to connect the
fishfinder to other NMEA instruments such as
NAVMAN’s depth repeater. See section 5-5 for more
information.
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