4.4. Displaying the fuel level
The trip computer has three modes to display the fuel level (”Settings display-Sources-Tank type”):
Calculated: no connection to the fuel sensor is required. After each refueling the user inserts how much fuel has been
added to the tank and the trip computer calculates the remaining fuel by deducting the amount of fuel being consumed
during the trip. This mode has the ultimate precision as it does not depend on the accuracy of the fuel sensor, the voltage
of the on-board network or tilt of the water vehicle. Preliminary calibration of fuel consumption is required.
FLS: requires connection of the trip computer to the fuel sensor.
FLS ECU: the remaining fuel is calculated by the voltage of the factory installed fuel sensor, the data is retrieved from the
diagnostic line (for J1939).
“Calculated” mode
· Press and release "PAR" to go to the “Parameters display”.
· Press “F” to call out the “Hot Menu Parameters”, select “Fueled” and press “SET”.
· Tapping on € and ‡ insert the quantity of added fuel and confirm with a short press on “SET”.
· Press and release "ESC" to exit the “Hot Menu Parameters”.
·Attention! To speed up the manual input of full tank after refueling “until full tank” select the line “Refuel until full” in the “Hot
Menu Parameters” and press “SET”.
FLS and FLS ECU modes
Using the FLS and FLS ECU modes either involves calibration of the trip computer to the characteristics of the fuel level or
displaying the remaining fuel only according to the ECU data without calibration.
The tank can be calibrated in 3 ways:
Calibration by 2 points
The tank calibration is carried out by two extreme points: when the tank is empty and when it is full. Recommended for
FLS with linear dependance of voltage on the amount of fuel in the tank.
1. This calibration should be performed when fuel level reaches its minimum (about 5...6 liters) with no pitching of the boat.
2. Avoiding pitching of the water vehicle start the engine, disconnect additional power consuming devices so that the
onboard voltage during calibration corresponds to the voltage while moving.
3. Switch to the list of “Sources” in the “Settings display”. Make sure that the selected mode is “Tank type FLS ECU” and
“Tank Calibr.2".
4. Go to the “Settings display” - “Calibration”. Tapping on € and ‡ select the parameter “Lin.tank calib.” and tap on "SET".
The trip computer will switch to linear tank calibration process. After calculations are completed, using the buttons € and
‡ input the remaining fuel in tank equal to the actual remaining fuel then press short on "SET".
5. After exit from the “Settings display” the value of the remaining fuel in tank will be equal to the set value.
6. Refill the tank full up to the neck and burn out 1 liter according to the per trip counter.
7. Repeat steps 2...4. When going through step 4, after calculations are completed, tapping on € and ‡ input the
remaining fuel in tank equal to the actual remaining fuel after which press and release "SET".
Calibration will be completed with the set value of the remaining fuel in tank. The order of setting points for this mode does
not matter.
Calibration by 7 points
This calibration process is similar to calibration by 2 points with the only difference that it is possible to add 5 additional
points. The order of setting points is not important.
Recommended if the calibration by 2 points does not provide wanted accuracy.
Automatic tank calibration
Performs automatic tank calibration at multiple points in the process of fuel consumption.
Attention! Before starting calibration it is important to make correction of fuel consumption reading otherwise tank tare will
be carried out incorrectly!
First set the mode “Tank tare” in the “Settings display-Sources”.
1. Refuel until full tank.
2. Go to the “Settings display” - “Correction”. Tapping on € and ‡ select the parameter “Tank tare” and press and
release on "SET".
3. The display will show “Tank tare start from____ l”,
4. Using the buttons € ‡ input the actual amount of fuel in tank then press and release “SET".
5. The tank calibration has started. Do not refuel until the trip computer displays a notice that the calibration is finished
(6 liters as per the on-board computer).
When the tank calibration is in progress the remaining fuel is calculated the same way as in the calculated mode.
The tank calibration can be completed prematurely or with errors in case of incorrect readings from the FLS as a result
of strong pitching, sharp turns or an inclined position of the water vehicle. Repeat the calibration. If fails again use
calibration by 2 or 7 points or the calculated mode.
Tank uncalibrated
In the FLS ECU mode or if the “tank uncalibrated” has been selected the trip computer reads the amount of the remaining
fuel from the ECU (in percent) and multiplies by the tank volume (”sources-full tank”) and calibration is not required, the
accuracy depends only on the fuel level sensor and the ECU of the water vehicle.
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