All OK
Full level 
Empty level 
Unable to measure 
Theft is suspected!!
 Refill star is identified
  Refill end is identified 
NA
   External contact is ON
External contact is OFF
Low trigger (1) crossed upwards
Low trigger (1) crossed downwards
Mid trigger (2) crossed upwards
 Mid trigger (2) crossed downwards
High trigger (3) crossed upwards
High trigger (3) crossed downwards