1. Settings: Please tap this option to enter the "RS-422 Parameters" interface
to set the parameters for several options including "BaudRate", "Data Bits",
"Parity", "Stop Bits" and "Flow Control".
Baudrate: Baudrate is the number of bits transmitted per second. There
are several options including 9600, 19200, 38400, 57600 and 115200 for
you to select.
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