Common faults of changing the word of LED display_led display control card|full color led display manufacturer|huaze optoelectronics

If the LED display screen changes the characters, there are generally serial port change characters and USB flash drive change characters. 1. The serial port is the led display directly connected to the computer, we open the control software. Edit the font of the program content and send it. 2. There is a column in the software menu for changing the characters of the USB flash drive, click USB to download, and save the setting parameters and content to the USB flash drive. When changing the program, copy the content directly with the U disk and get it on the LED display for replacement. If there is no effect after changing the text, it is possible to concentrate. 1. There is a problem with the serial port cable. 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 line is short-circuited. 2. If there is no response when changing the characters of the USB flash drive, you should check whether there is a problem with the USB flash drive. Whether the led display control card software corresponds. After confirming that the control card software is correct, format the U disk and then import the data.