comment from Barry found in a thread about the Cineroid...
"I strongly recommend to everyone to leave 24PsF set to "off" unless they know exactly what they're doing. It can disable the HDMI, it disables variable frame rates, and it disables autofocus, so lots of people are going to be scratching their heads as to why all these functions quit working on their cameras, when in reality all they have to do is turn 24PsF to "off" and all that stuff comes back."
"I strongly recommend to everyone to leave 24PsF set to "off" unless they know exactly what they're doing. It can disable the HDMI, it disables variable frame rates, and it disables autofocus, so lots of people are going to be scratching their heads as to why all these functions quit working on their cameras, when in reality all they have to do is turn 24PsF to "off" and all that stuff comes back."