EXFO FTB-2 Pro User Manual page 342

Troubleshooting
Restoring Your Unit to Normal Operation
9. From the Platform Servicing and Imaging Utility wizard, select Reset
this unit to factory settings, and then tap Next.
10. Read the warning, and then tap Start to restore the unit with the
selected image.
11. When the operation is complete and the application prompts you,
tap OK.
The unit will restart.
12. Configure the regional parameters, and accept the license agreements
as you did when you first received your unit.
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FTB-1v2 and FTB-1v2 Pro