① Press the middle button for 3 seconds in the display time state, enter the time setting mode, the hour will blink, then press the middle button to increase one hour at a time.
② After debugging, press the middle button for about seconds. Minute flicker. Press the middle button to increase one minute at a time.
③ After debugging for a good minute. Press the middle button for 3 seconds. Year flashing (at this time, Y 00 ~Y represents the meaning of the year) Press the middle button to increase one year at a time, and so on, and then debug the month and day.
After debugging, it automatically enters the standby state if it does not operate within 5 seconds.
Tips: During debugging can not be interrupted, such as interruption must start from scratch