A 4-post collection

Making sense of the OP-Z guide

Three pages of quick reference details that you can print, fold up and keep with your OP-Z so you can play with it without hooking it up to a screen. Plus some useful links. »

PO-33 K.O! sampler quickstart

There's more to it, but I've seen people get intimidated by all the buttons alone. This should simplify the main logic of the PO-33 interface as well as that of all the other pocket operators, which I've written more about here. The function of all those numbered buttons changes depending »