Common faults of LED display screen character changing

LED display screen word change words generally have serial port change word and U disk change word.

1. Serial port is led display directly connected to the computer, we open the control software. Edit the font of the program content and send it. There is a column in the menu of USB flash disk software. Click USB to download and save the setting parameters and contents to the USB flash disk. When changing the led screen program, directly copy the content with U disk and replace it on the LED display.

if there is no effect after changing the text, it is possible to concentrate.

There is a problem with the serial port connection line. Use the control card software to check whether it can be connected to the display screen. If the connection is generally OK, it still can’t be solved. Check whether the circuit is short circuited. If the U disk does not respond to the word change, you should check whether there is a problem with the U disk. Whether the software of LED display control card is corresponding. After confirming that the control card software is correct, format the U disk and then import the data.