What Eric said.
I disagree with using Personalities to based on the number of pixels. That would result in hundreds of personalities...a true nightmare. This is exactly the scenario sub-devices exist for. If you could operate the pixel strings with either 3 channels or 4 channels per pixel (i.e. a Master Dim channel for the pixel) then you would want to use Personalities to change between those two modes, but implement the strings as Sub-Devices to handle the changing DMX Footprint based on the number of pixels.
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Scott M. Blair
RDM Protocol Forums Admin
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