Navman 4432 Manuel D’Utilisation

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Correct installation is critical to the 
performance of the FISH 4432/4433. There are 
two components to install, the display unit and 
6 Installation and Maintenance
the transducer. It is vital to read the entire 
installation section of this manual before 
attempting to install the components.
Warning
1 Amp fuses must be positioned where 
shown in the wiring diagrams.
The power/data cable contains 5 wires:
Wire Function
Black 
Ground (power negative)
White* NMEA 
out
Red 
Positive power in, 12  V DC
Yellow 
Auto power in (connect to red  
 
wire. Positive power in, to enable  
 Auto 
power).
Green* 
External beeper or light out,  
 
switched to ground, 30 V DC 200  
 mA 
maximum.
Note: The cable shield is connected to Pin 1 (black 
wire) and does not need to be grounded.                     
* Denotes FISH 4433 only.
Six 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 the 
engine hours and fuel computer options.
• 
Secondary Alarm wiring
• 
NMEA wiring
• 
Single engine fuel wiring
• 
Twin engine fuel wiring
Note: If a wire colour is not specifically 
mentioned, it is not used in that wiring option.
Section 6-5 Systems of several instruments, 
describes NMEA and NavBus. 
Wiring Options 
Fuse
Red
Yellow
Black
Main 
switch
12 V DC
Basic wiring
This requires the FISH 4432 and FISH 4433 to be 
powered on manually with the       key.
Black wire: Connect this to the negative 
battery terminal.
Red wire: Connect this to the 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.
Basic wiring
Power on the fishfinder manually whenever the 
main switch is on. 
White Wire: Use this, if desired, to connect the fishfinder to other NMEA instruments such as  
Navman’s REPEAT 3100. (See section 6-5 Systems of several instruments.)
NMEA wiring Option (FISH 4433 only)
FISH 4432/4433 Installation and Operation Manual
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NAVMAN