Hyperdeck SHuttle 2

I'm having trouble recording on my brand new Hyperdeck Shuttle 2. I've updated the software to the latest release. We have had the problem with both 10 Bit Uncompressed Quicktime files and Apple PRORES. It appears to superimpose a bit of the advancing frame on top of another and a bit of the retreating frame on top of that. Still images look fine Because the advancing and retreating frames are virtually the same. But when you change the composition - especially in fast moving high contrast scenes - you can clearly see the ghost frames. What is going on?

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