sACN 'DD' Start Code Flashes

I've recently purchased a non-brand sACN node which works perfectly as expected with other sACN controllers but not with ETC desks. I found this is due to the device not understanding the 'DD' start code ETC uses for channel priority. It instead interprets this as channel data, e.g. if the desk priority is 100 all the channels will flash at 40% around once a second. 

Is there a way to get around this issue?

Thanks

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