Linux kernel newbies em português

Now, LED display products are widely used in our lives, when we are using the LED display, it will occur a variety of issues, and we need to properly deal with those problems. If there is a text error on the LED display, how should we deal with it ?
In order to deal with this issue properly, first, you need to know how the LED display change the font. Generally speaking, there are three methods that are -a serial line, U disk, mobile phone(or remote control). According to the corresponding mode of operation, you can change the word on the LED display screen.
1. change the word through a serial line
You can connect the LED display with the computer, the you can open the display control software, setting the display parameters, editing the font of program, finally you can send it.
2. change the word through U disk
There is a section on the software menu, you can click on the USB download, putting the content of parameters into the U disk. When you are wanting to change the program, you can use the U disk to move the content into LED display screen.
3. change the word through mobile phone or remote control
You can edit text messages to send it and change your subtitles.
Reminder:
Generally speaking, the LED display transfers data with USB and COM, you can use the USB interface to transfer data and change the display content.
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