Navman 5380 - Manual (Page 34)

TRACKER 5380 Installation and Operation Manual 34 NAVMAN
10-3-2 Managing fuel consumption curves
Record several curves for different conditions.
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 , press and select the
name of the curve to rename.
3 Select Rename and press . Change
the name and press .
Deleting a curve
1 Press once or more until the Setup
menu is displayed, then select Fuel.
2 Select Fuel consumption curve. Select
Name, press and select the name of
the curve to delete.
3 Select Delete and press .
10-3-3 Using fuel consumption curves
A fuel consumption curve is displayed on the
fuel display:
a For a twin engine boat, keep the RPM of
both engines similar while using a curve.
b More information about fuel consumption
curves is available in Navman’s Diesel flow
sensors installation and operation manual.
Displaying a curve
1 To go to the Fuel display, press ,
select Other, then select Fuel.
2 Press , press and select the
name of the curve to display on the fuel
display.
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 usage 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