Fabi, for some of the ERC functions in Poser you can use "Dial Training". Nerd 3D has a good video on how to do it, I forget at the moment if it is at his website or on Smith Micro Youtube channel.
Which ERC operations are you trying to do?

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Renderosity Store  Personal nick: Conniekat8
Hi, my name is "No, Bad Kitteh, NOO", what's yours?