In the Tank Capacity mode, the acoustic sound can be
deactivated and only the visual message is triggered on the
display..
1. press ; to enter the menu
2. press , navigate to Tank Capacity
3. press , confirm
4. press , navigate to (sound deactivated)
5. press , confirm «sound deactivated»
To reactivate the audible alarm/tone:
6. press , to enter the menu
7. press , navigate to Tank Capacity
8. press , confirm
9. press , navigate to (sound activated)
10. press , confirm «sound activated»