2. First, press the "Set" key to make the digital calendar enter the time setting state. At this point, the first year flashed.
3. At this time, similar to the method of adjusting the year, press the "Up" or "Down" key to modify the month. "Day" will flash after modification.
4. By analogy, time, minutes and seconds can also be set in the same way; Week, lunar month and day will change automatically with the change of Gregorian calendar.
5. Finally, after modifying all the time, press the "Set" or "Exit" key to exit the time setting and return to the adjusted time state.