First, through the phone (or remote control) to change the word
Edit text messages can also send and change ad subtitles.
Second, through the serial line to change the word
Connect the LED display and computer, open the display control software, set the screen parameters, edit the program font, click to send can.
Third, through the U disk to change the word
There is a section of the software menu, click on the USB download, set the parameters and content saved to the U disk inside it. Change the program directly with U disk copy content to get on the LED display on the line.