Power on and Account Registration
Press power key as illustrated above to start device, you will
see warming up animation, until it stops at account registration
interface below in left. The deivce needs to register an account
when it’s used at the first time. Click <Please log in> to enter
the registration, which requires to fill Police No. which can be
regarded as account number, and password, etc. After
registration, back to the interface and sign in with registered
Police No., and password.
After sign in, it goes to menu which includes two main topics,
Alcohol Measurement, and Account.