I havé troubles when I want to sync my TS box on the TC of my Zoom F8. I turn on the box in red mode to recieve the signal and the red led flashes several times like… … … without becoming green. I checked the frame rate, also…
It should work like you said. Maybe the cable is faulty? Did you use an original Tentacle Cable? Are you sure that you do not have choose the wrong BNC (IN/OUT) connector at the back of the ZOOM F8?