How to turn off the bedside alarm clock?

1. When the bedside alarm clock rings, the way to turn off the alarm clock is to press the close button. When you need to tell the time of the next day before going to bed at night, you can press the ON key.

An alarm clock is a kind of clock with alarm device. It can not only indicate the time, but also send out sound signals or other signals according to people's predetermined time. The movement structure of alarm clock mainly includes mechanical and timely electronic. Other types, such as transistor hairspring and tuning fork, are rarely used. They are called desktop alarm clocks that are usually placed on the table and travel alarm clocks that are mainly used for travel. The time error of daily mechanical alarm clock is generally within 120 seconds/day, while the time error of timely electronic alarm clock is generally within 0.2 seconds/day.

There are many kinds of alarm clocks, mechanical and timely. Since people invented it by using the principle of pendulum, it has become an indispensable item in people's lives. In ancient China, there were sundials, water bells, fire bells, copper pots dripping water and so on, which can only be regarded as ancient timepieces. Without a clock that doesn't tick, it can't be called a clock 1090, Su Song, the prime minister of the Northern Song Dynasty, presided over the construction of a water transport instrument, which can tell the time and ring the bell. Its structure is almost the same as that of a clock, and it can be called the originator of the clock.

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