How to turn off the alarm clock of Jingke perpetual calendar?

The alarm clock is turned off as follows:

1. Press the down button to turn on the perpetual calendar alarm clock. When the time is displayed in the time zone above the temperature display A 1, it means that the alarm clock has entered the first group.

2. Press the up button. When the bar is displayed in the time zone, it means that the first set of alarm clocks has been cancelled.

3. Enter the second set of alarm clocks, and then press the down key. When the temperature shows the value of time zone A2, it means that the second set of alarm clocks has been entered.

4. Turn off the second set of alarm clocks, and then press the up key. When the bar is displayed in the time zone, it means that the second set of alarm clocks has been turned off, and so on until all alarm clocks are cancelled.