HI
Im having the same problem.
Im sure it says that it is supported in FCX.
I can get audio to output via, hdmi, but not the viewer.
Send viewer to external monitor is GREYED out...
The mac is seeing the external monitor, but not FCX.
Im awaiting a email back from Blackmagic....???
Any thoughts
ROB
Desktop Video 9.2 beta 1 for Mac OS X is available for download now and is free of charge for all Blackmagic Design customers. This update includes support for all current DeckLink, Multibridge, Intensity and UltraStudio models.
Broadcast monitoring in Final Cut Pro X 10.0.3 allows video output to external monitors and other equipment using the SDI, HDMI or analog video outputs from Blackmagic Design video hardware.
Desktop Video 9.2 beta 1 includes a new control panel for selecting the video output format from Final Cut Pro X for output to devices such as broadcast quality monitors, HDTVs and projectors, so you can see exactly what your master will look like in television colorspace.