Battery symbol The battery is almost empty

Blank screen The battery is empty or you have inserted the…

Lo The test result is lower than 0.6 mmol/L (10 mg/dL).

Hi The test result is higher than 33.3 mmol/L (600 mg/dL).

--- Averages cannot be calculated.

PC The meter is connected to a computer (PC).

ttt The ambient temperature or the meter temperature is too…

EEE A meter error has occurred.

E-5 The meter is exposed to too much light.

E-5 The meter was exposed to a strong electromagnetic field.

E-4 While the test was in progress, you connected the meter to…

E-2 Your blood glucose value may be very low.

E-1 You did not insert the test strip into the meter correctly…