range Pi User Manual Copyright reserved by Shenzhen Xunlong Software Co., Ltd
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d. Then use the arrow keys on the keyboard to navigate to the position shown in the
figure below, and then use the space to select the UART configuration you want
to open
e. Then select <Save> to save
f. Then select <Back>
g. Then select <Reboot> to restart the system to make the configuration take effect
3) After entering the Linux system, first confirm whether there is a device node