(3) Alarm sound: ring (double "di-di" sound, 1 time per second) for 25 seconds, stop for 10 seconds, then ring for 25 seconds; it
will automatically turn off after a total of 2 cycles;
(4) When the alarm clock rings, short press the ▽ key or the key to turn off the alarm clock, and long press the key to turn off
the alarm clock;
(5) When the alarm clock rings, the alarm indicator light also flashes at the same time: on and off once per second;
5. System switching:
5.1 Time system switching: Short press the ▽ key to switch between 12H and 24H systems, the clock interface displays 24H&12H, the
display time is 1 second, and the default is 24H system;
5.2 Temperature system: Only display degrees Celsius (°C).
6. Turn on and switch the ambient light:
6.1 Ambient light: Short press the key to turn on the ambient light and switch the light, the order is: high light (100%), medium
light (75%), low light (25%);