User manual

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During the upgrade, the display will look like the following:
Before upgrading the NTU, you must have the Kernel code and FPGA code on your computer's hard drive.
WARNING!!: Do not allow any interruption of power during the erase and re-write operation or the Flash will be left
in an unknown state and the device will no longer be able to function. The device must then be returned to the
factory for repair.