Keysight Technologies X Series Service Manual page 628

Post-Repair Procedures
Post-Repair Procedures
Figure 16-25 FPGA Programming Utility
8. The programming of the FPGA code could take a few minutes to complete.
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To program the FPGA code enter 1 and press Enter. You will need to
confirm this selection by pressing 1 and Enter one more time.
Once it has finished the instrument will reboot itself to use the new code
and this process will then be completed.
Keysight N9010A EXA Service Guide