TES and Tank reg pressure

[Shuter13]

I am thinking of purchasing a TES and was wondering if I do and go ith a pre-set HPA do I use a High (850 psi) or a low pressure (450-500 ish PSI)

Thanks
Matt

[FBP Si 2000]

I'd go with the HIGH preset one

[killa_n00b]

Well....im also using a high....but if u got the money y not just buy an adjustable