Visara iCON-XT - Manual (Page 45)

Chapter 3. Configuration
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FPGA firmware updates are not done automatically, because the QTA cannot be used
during the 15-20 minutes it takes to update and verify each FPGA. A full unit reboot is
required to bring the board back into operation.
You may select multiple boards to be updated with the same revision level.
WARNING! Unplug cables connected to the board being updated before beginning
the update.
Do not stop this process! It will take 15-20 minutes for each board you selected.
The unit will automatically reboot when the process is complete.