EXFO FTB-2 - Manual (Page 169)

Managing Data
FTB-2 and FTB-2 Pro 159
Enabling or Disabling the Wireless Communication
To enable or disable the wireless communication on an FTB-2 Pro:
1. From the right side of the screen, swipe left to display the Charm bar.
2. Tap Settings, and then the icon.
3. Set the wireless communication parameters as needed.

If you want to set the parameters for the Wi-Fi device and the 3G
USB key at the same time, set the Airplane mode slider to the Off
position to enable the communication, or to the On position to
disable it.

On an FTB-2 Pro, if you want to set the parameters for the Wi-Fi
device only, set the Wi-Fi slider to the On position to enable the
communication, or to the Off position to disable it.