Vivid-R DMX channels

Hello all! In my auditorium, we have 8 Selador Vivid-R 11" that were assigned to the same DMX channel. We recently found out that you can assign separate DMX channel numbers to them to change them individually. Is there a way to be able to control them simultaneously within an Element light board while keeping them on separate channels? Or would we have to assign them all to the same DMX channel again?

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