HoverflyOPEN User Guide As a Parallax-exclusive product, the HoverflyOPEN User Guide is hosted and maintained by Parallax. It can be found here: HoverflyOPEN User Guide In the event that Parallax.com is unavailable or moves the resource, a static copy is found here as well. Hoverfly-OPEN-Users-Guide-v1.0.pdf (3 MB) Have more questions? Submit a request 2 Comments Date Votes 0 Spacetraveler711 November 07, 2015 19:49 References are made in the User Guide that I have no access to. How do i access the "ESC manual? 0 Spacetraveler711 November 07, 2015 19:52 Never mind! I figured it out Please sign in to leave a comment.