Resetting a Tango Rev B controller

This procedure resets the eMMC contents to factory settings:

1. Depower the controller by removing all PoE and USB power.
2. Press and hold the 1 and 4 relay buttons on the front panel and re-apply power.
3. Continue holding 1 and 4 button pressed until all I/O LEDs start flashing.
4. After the reboot completes, LEDs 1 and 2 will remain flashing. The unit is now restored to its factory settings.

The controller's network settings and design have now been reset to the factory defaults.

Please note, this reset does not affect the controller firmware.