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4-2-3 USB Connection
Note: This connection needs a cable that shall be ordered.
After the device is directly connected to the computer, first check the "Device Manager" ---,
"Port" (under the premise of installing the USB serial port driver), click "Connect" when
connecting to the software, then the Device connection window will pop up, select "Serial
Port Settings" , select the corresponding "COM Number FV" under "Port Number", if
"COM Number FV" is not displayed, you can click the “Refresh” button to search.
Finally click "Connect to device", The USB connection screen is as shown in the figure
：
