The scan health code must be connected to a computer. The data cable or wireless receiver of the scanning gun must be directly plugged in
The scan health code must be connected to a computer. The data cable or wireless receiver of the scanning gun must be directly plugged into the USB interface of the computer (it cannot be plugged into the USB docking station). When scanning the code in Chongqing, it is best to pay attention to the scanning gun aiming at the red beam emitted by the center of the QR code. Health code is a personal two-dimensional code based on actual real data, which is generated by citizens or people who have returned to work on their own online declaration and background audit. As an individual entering and leaving electronic certificate locally, the QR code can be declared once, which is universal in the whole city. The introduction of the health code aims to make the work of returning to work more accurate, scientific and orderly. The promulgation of various health codes highlights the innovative thinking of local governments in the management of major public emergencies.