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9.2 RX upgrade process:
1) Change the RX upgrade zip file’s name to “update”.zip (no need to unzip
the file) and copy to the root of USB disk.
2) Connect the U disk with RX USB port and then power on the RX.
3) The RX will recognize the firmware and update message will be displayed
on the screen, please click install for upgrade.
4) Then the RX will restart for upgrade.