The Return to Home feature is very useful when you lose the connection with your drone as it makes your device return to its starting point.
The Return to Home feature works as follows:
To bring Parrot Bluegrass back to its starting point outside of a flight plan on Pix4Dcapture, press the "return to home" button on Parrot Skycontroller.
Parrot Bluegrass returns to its starting position. Make sure you are in an area that is clear of any obstacles.