Originally Posted by zooma Thanks again - I am all knowledged-up now about the "tubular thingy" on the side of my 603 and will treat it with the respect this technology deserves. I am actually quite impressed - and genuinely appreciate the technical answers and tips. Hi, does somebody have a need for some details of FWB 603? https://www.feinwerkbau.de/ceasy/mod...n.php?id=550-0 Harry K
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