When using a led display, it often appears that it cannot be loaded. Led display manufacturers to expand the photoelectric from the following aspects to analyze the reason why the led display is not loaded.
1. Check if the jumper cap is loose or loose; if the jumper cap is not loose, make sure the jumper cap is in the correct direction.
2. Check that the serial cable used to connect the controller is a straight through cable, not a crossover cable.
3. Check and confirm that the serial port cable is intact and the two ends are not loose or fall off.
4. Select the correct product model, the correct transmission method, the correct serial port number, the correct serial transmission rate, and correctly set the dialing switch diagram provided in the software by referring to the led display control software and the control card of your choice. Control system hardware address bits and serial transmission rate.
5. Ensure that the control system hardware is properly powered up.
6. If after the above check and correction still occurs, please use a multimeter to measure if the serial port of the connected computer or control system hardware is damaged. To confirm whether the computer manufacturer should be returned or return the control system hardware to the test.
In short, the reason why the LED display is not properly loaded may be the product itself, or it may be caused by improper operation during use. It is easy to find the source of the problem as long as you think or ask the manufacturer seriously.
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