It is essential to do this whenever some fuel is
added or removed. Otherwise, the reading on
the Fuel display (see section 5-6 Fuel Display)
and the Low Fuel Alarm (see section
3-5 Setup > Alarms) are meaningless.
Select Clear used to set Used (the
amount of fuel used) to zero. Do this to start
measuring the amount of fuel used over a
certain time or distance.
When asked Are you sure? select Yes.
Enter the capacity of the fuel tank.
Most engines do not draw fuel from the tank at
a steady rate. To give a stable fuel flow reading,
the fishfinder calculates the flow value(s) by
taking several measurements and averaging
them. Use the Flow filter to set the period over
which the fuel flow is averaged.
The Flow filter can be set from 0 to 30 seconds.
Use the lowest value which gives a stable flow.
Usually a value of 5 to 10 seconds will give a
satisfactory result for two-stroke carburettor
engines. Fuel injected or four-stroke engines
may require a larger value.
This setting affects the Fuel flow and Fuel
economy reading on the Fuel display (see
section 5-6 Fuel display) but it does not affect
the Fuel used reading.
Select speed input from water speed
transducer or external GPS source (an
external GPS source must be connected to the
Fishfinder via NavBus – see section 3-7 Setup
Set the number of engines to 0, 1 or 2. If 0 is
selected the fuel features are turned off.
See section 3-8 Setup > Calibrate, for
information about calibrating the fuel
3-4 Setup > Logs
Press MENU one or more times until the Setup
menu is displayed, then select Logs:
The values can be changed independently of
each other. These log values are saved when
the unit is turned off.
Reset trip dist
This resets the trip distance to zero.
Reset total dist
This option resets the total distance to zero.
Reset engine hours
Use this option to reset the engine hours
to zero. This can be useful after an engine
service or to count the engine hours between
FISH 4432/4433 Installation and Operation Manual13 NAVMAN