In MC 5.5.3 a 1080p24 project (columns show 1080p24, 24 frames, DNXHD 36, color space 709) is recognized by Aja IO Express as 1080p24sf (in AJa terms, means psf) and output on a consumer HD LCD TV (Sony Bravia 32EX520, which is in color space 709 mode) over HDMI doesn't work. Only once the Sony showed format not supported. AJA IO Express Test Patterns