EXFO FTB-1 - Manual (Page 155)

Managing Data
FTB-1 145
Transferring Files with the USB Data Mover Application
4. Select or clear the check boxes to adjust the folder selection to your
needs.
5. If necessary, under Destination media, select the desired USB storage
device.
6. Tap Copy. The files will remain on your unit after the transfer.
7. When you have finished, tap to exit the USB Data Mover
application.