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I have a question regarding to making some changes on a est-3 system regarding message changes and adding devices into service group. After I have made my changes which are the next steps.

Hi,
convers it and download it;
that is the base of our Learning at school.
regards,
Briac,

its a longshot on such an old post, but here goes.

I'm a newbie programmer too, how exactly did you add new devices to the existing loop in the first place?
could you please give me a step by step of it?

I'd really appreciate the help.