How to cancel the alarm clock in Acer perpetual calendar

1, the first is the perpetual calendar in the mobile phone, as shown in the figure.

2. After opening the calendar, click "Reminder" and then turn on the "alarm clock" as shown in the figure.

3. Enter the alarm clock and click the "+"sign in the upper right corner, as shown in the figure.

4. Set the alarm clock time, repetition times, ringtone and nap time.

5. After setting the above parameters, click the check mark in the upper right corner. When the alarm clock rings, slide up to turn off the alarm clock.