How to update the electronic perpetual calendar when it has expired?

When this option is turned on, the perpetual calendar plug-in can be updated automatically.

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.

Classification:

First, in the LED display mode:

1. Static display: each digital tube in static state is always powered on, and the old data will be updated and displayed only when a new signal is input.

2. Dynamic display: In dynamic state, each digital tube is in power-off state before new data is input. When a new signal is input, the digital tube to be lit can be turned on. In the same way, other digital tubes can be scanned and lit in turn in a short time.

Second, in the time display mode:

1, numbers: date, time, week, solar terms countdown, temperature and other displays are all LED digital tubes.

2. Digital and pointer mixed type: date, week, solar terms countdown, temperature and other information are displayed by LED digital tube, and the time part is displayed by pointer.

Third, in appearance:

1. Full digital display of perpetual calendar: LED light-emitting digital display daily information such as date, time, week, solar terms, temperature, etc., without additional information.

2. Electronic calendar with pictures: Daily information such as date, time, week, solar terms, temperature, etc. is displayed digitally by LED, combined with many advanced electronic technologies and modern classic technologies, and equipped with artistic pictures.