EXFO FTB-500 (Window XP) - Manual (Page 95)

Setting Up Your FTB-500
FTB-500 85
Configuring the Power Management Options
6. Tap Save As.

If you want to modify the existing power scheme, keep the name
as is, and then tap OK.
OR

If you prefer to create a new power scheme, enter a new name,
and then tap OK.
7. Tap Apply to confirm the changes, and then OK to return to the
Control Panel window.