EXFO FTB-2 - Manual (Page 47)

Getting Started with Your Unit
FTB-2 and FTB-2 Pro 37
Turning Off Your Unit
By default, your unit will go to sleep when you press the power button.
However, you can configure your unit to perform a different action when
the power button is pressed.
You can also configure your unit to automatically restart when AC power
comes back after the unit has turned off (power outage, emergency
shutdown, sleep, or hibernation modes) when battery level is too low.
To make your unit sleep:
Press the On/Off button.
To exit the sleep mode (or hibernation mode) and resume your
work:
Press the On/Off button.
To turn off the unit completely:
1. From the right side of the screen, swipe left to display the Charm bar.
For more information, see the section about working with Windows
8.1 Pro or Windows Embedded 8 Standard.
2. Tap Settings > Power > Shut down.