1. Tap TANK CALIBRATION to proceed for tank calibration process.

2. Select By fuel filling and tap Start to proceed for next step.

3. Define the “Filling step, Liters” according to the volume of the measuring tank, and drop the volume in to the tank.

4. Tap Add a line.

5. Tap Add a line every time after filling the fixed quantity.

Finally tap Finish calibration to save the settings.