well shucks. the st is not in it's sweet spot. then you tell me it makes poor contact. I tried 430f, 18j again like vaping through a coffee straw. I mean is 520f, 36j going to explode on me or something? I have enough problems lol. otherwise I like it. I am sure I have no idea what you guys rba's are like. either way it is working better than dna for me. I am very pleased with it unless I am asking for trouble here. I just don't understand this since it is kicking it to half that anyways. something else very strange. the st leaks like a sieve on the dna40. nary a leak on the sx mini. I suppose I am pretty happy with it until I lose my arm or whatever. floats your boat cool, just don't let it sink. or am I misunderstanding why these settings are no good?