Does anyone have any information on these?
I have one and I would like to get it working, but I know nothing about it. There are 3 holes, I am guessing either 2 are for a guage (plug one, guage in the other, it is your preference) or 2 are for macro fittings (plug one, macro in the other, it is your preference).
Also, I have no idea how to adjust it. The shim stack is in the bottom and you can screw it in and out. But which is low and which is high?
Thank you for any help you can provide!
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