Each LED display has a matching control card and related software. After the LED display is installed, you can connect the control card and power supply. By running the software, you can easily change the content of the LED display. To change the content of the LED display, we can use a computer, mobile phone, or USB flash drive to operate.

when your led screen distortion, you will need to check the situation as belows: 1: The scanning settings of the LED software control card are incorrect. 2: the cable is not plugged in correctly or not plugged in properly. 3: control card failure。 4： The local power supply is abnormal 5： Local signal is abnormal

Each LED display has a matching control card and related software. After the LED display is installed, the control card and power supply can be connected. By running the software, the content of the LED display can be easily changed. To change the content of the LED display, we can use a computer, mobile phone, or USB flash drive to operate.

In modern electronic devices, the display screen is an important interface for human-computer interaction. With the development of science and technology, display screen technology is also constantly improving. Among them, liquid crystal display (LCD) and LED display are two mainstream display technologies.

COB is chip on board, which is a different chip packaging technology, all chips are directly integrated and packaged on a special PCB board. GOB is glue on board, which is used to obtain a high protection LED display, which is a new technology similar to module packaging.

Wireless LED display is based on WEB information service technology through built-in high-performance GSM, GPRS, CDMA, 3G and other data transmission modules, using GSM/GPRS/CDMA mobile communication network, and remotely and real-time control and management of LED display through the control center.