How to adjust the time of electronic clock perpetual calendar

There is a setting adjustment button at the bottom of the calendar. Click this setting button, the year of the digital tube will start flashing, and then press the add key or the add and subtract key to adjust the time. Whenever a function is adjusted, click the "Settings" button in advance, and then press the "Add/Decrease button".

The products designed and produced by various electronic clock manufacturers are not necessarily the same, and some are very different, so it is impossible to generalize. In addition to the common four buttons, most electronic clocks also have a SET button, or set button, which is usually used when resetting the time.

Electronic calendar is a modern digital timekeeping product, which uses an independent chip to control internal data operation, and uses LED digital display to display daily information such as date, time, week, solar terms, temperature, etc., and integrates many advanced electronic technologies and modern classic technologies.

Extended data:

Basic requirements for the normal operation of electronic perpetual calendar;

1. working voltage: the perpetual calendar should not stop running within the voltage range of AC (220+33)v or AC (1 10+ 17) V, and the display is normal.

2. Working temperature: The perpetual calendar should not be stopped in the temperature range of-10℃-50℃, and the display is normal.

References:

Baidu encyclopedia-electronic calendar