Simrad NX45 Specifications Page 51

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Simrad NX40/45 Installation and Operation Manual 51
Fuel functions and display13
The Fuel functions require optional petrol/gasoline or
SmartCraft fuel sensors to be installed and set up.
13-1 What the fuel computer does
Each engine has a ow sensor installed to measure the
engine’s fuel ow.
The NX40/45 use these ows, together with boat speed
and engine RPM if available to estimate the fuel remaining
in the tank(s), fuel used, range and fuel economy. This
data is shown on the fuel display.
You can:
display the fuel used during a trip.
set low fuel alarms.
make fuel consumption curves - graphs of fuel
consumption and boat speed as a function of engine
RPM - to monitor and optimize boat performance.
13-2 Fuel display
To go to the Fuel display
> More > Fuel
The display differs according to the number of engines
and tanks.
To switch between a Summary or a Fuel curve
display
If engine RPM is available and if you have made and
selected a Fuel Consumption Curve.
The Fuel display shows:
Speed
RPM (if available)
If engine RPM is not available, the display shows depth.
Remaining
The fuel remaining in the tank(s) is shown as a vertical
gauge on the right of the display. The height of the yellow
bar(s) show how much fuel remains in the tank(s). If you
have set a low fuel alarm, a red bar shows the level at
which the alarm will trigger. If there are two tanks, the
left bar shows the port tank, the right bar shows the
starboard tank.
CAUTION
!
!
CAUTION
DANGER
WARNING
To ensure the fuel data is
accurate:
When you add or
remove fuel from a
tank, tell the NX40/45.
If the boat has petrol/
gasoline sensors,
calibrate them during
installation or if the
fuel readings seem
inaccurate.
Choose an appropriate
type of boat speed
sensor to calculate
economy, range and
the fuel consumption
curve.
If the boat uses a
paddlewheel sensor
to measure speed,
calibrate it during
installation or if the
speed readings seem
inaccurate.
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