EXFO FTB-2 - Manual (Page 33)

Getting Started with Your Unit
FTB-2 and FTB-2 Pro 23
Positioning Your Unit
Positioning Your Unit
You can position your unit either vertically (with the screen facing you), or
at an angle, using the support on the back panel. You can also hold your
unit with the provided hand strap.
Note: The stand ensures optimum stability to the unit during your tests.
To position the unit using the support:
Pull out the support.