EXFO FTB-2 - Manual (Page 281)

Maintenance
FTB-2 and FTB-2 Pro 271
Installing or Removing the Power Meter and VFL
6. By holding the power meter by its faceplate, gently pull it out of the bay
completely.
7. Place the power meter in an antistatic bag.
8. If you have a protective cover, proceed as follows:
8a. Carefully place the cover over the power meter bay.
8b. Using a screwdriver, secure the protective cover in place with the
screws that you have removed at step 5.
9. Remove your antistatic strap.
10. Connect your unit to an external power source if desired.