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TRACKER 5505/5505i/5605 Installation and Operation Manual
36
NAVMAN
10-6-2 Managing fuel consumption curves
Renaming a curve
1 Press one or more times until the
Setup menu is displayed, then select Fuel.
2 Select Fuel consumption curve.
Select Name and select the name of the
curve to rename.
3 Select Rename and press . Change
the name.
10-6-3 Using fuel consumption curves
Deleting a curve
1 Press once or more until the Setup
menu is displayed, then select Fuel.
2 Select Fuel consumption curve.
Select Name and select the name of the
curve to delete.
3 Select Delete.
Selecting a curve
1 You must make a fuel consumption curve
before you can use it (see section 10-6-1).
2 On the Fuel display, press , select
Fuel consumption curve and select the
name of the curve to use.
3 On the fuel display, press if necessary
to select Fuel curve and display the fuel
consumption curve.
Note
a On a multi engine boat, keep the RPM of all
engines similar while using a curve.
b The shape of the curve depends on the
type of speed sensor you selected when
making the curve (see sections 10-5-1 and
10-5).
c More information about fuel consumption
curves is available in Navman’s Diesel flow
sensors installation and operation manual.
Using a curve
Compare your boat’s performance now, at the
current RPMs, with the boat’s performance
when you made the curve. You can compare
your boat’s performance now with a curve
made under ideal conditions or with a curve
made under similar conditions.
Information in a curve
A RPM of the boat now. For a twin engine
boat, the RPM is the average of the two
RPMs.
B Red curve: boat speeds at different
RPMs recorded when you made this fuel
consumption curve.
C Red marker: the boat speed now. This
marker is below the red curve, showing that
the boat speed now at this RPM is less than
when you recorded the curve.
D Blue curve: fuel consumption at different
RPMs recorded when you made this fuel
consumption curve.
E Blue marker: the fuel consumption now.
This marker is below the blue curve,
showing that the fuel consumption now at
this RPM is better than when you recorded
the curve.
F If the blue curve has a dip, then running the
boat at this RPM will give the best speed for
the least fuel consumption.
C
D
E
F
A
B
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