EXFO FTB-200 v2 Compact Modular Platform - Manual (Page 202)

Troubleshooting
192 FTB-200 v2
Restoring Your Unit to Normal Operation
To navigate in the various windows using the unit’s keypad:

Press to go up.

Press to go down.

Press to go to the right (equivalent of the TAB key).

Press the knob to select an item (equivalent of the ENTER key).
To restore the system partition:
1. Turn on the FTB-200 v2.
2. While the system is displaying the boot menu (3 seconds), press
from the unit’s keypad to select the Maintenance and
recovery mode.
OR
Press the ARROW DOWN key on the keyboard (if you have connected
one).
3. Press the unit’s knob or ENTER on your keyboard to confirm your
choice.
Note: The touchscreen becomes effective at this point.