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They got rid of the AA battery. I think that was a mistake.
At least customizable GF and SurfaceGF were confirmed in the chat. I'd like to download the manual, but Shearwater.com is currently caving under load
Yeah, I was curious and asked the question. I assumed they'd go for the preset GF but it doesn't seem to be the case based on their answer that the settings are the same one would have on the Perdix.