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<blockquote data-quote="moonbase" data-source="post: 987126" data-attributes="member: 178786">Hi,Just received my AV-COMM barrel, flat scalar and Ziwell LNBF this morning (pics attached) and have a couple of questions if anyone can please assist?When the flat scalar is fitted to the AV-COMM barrel with maximum barrel protruding from the scalar I have approx 2mm of barrel protruding. Is this sufficient protrusion to be able to optimise the signal re the barrel aperture being at the focal point of the dish and the scalar reducing background noise? I have some alternative wider collar C Band flat scalars that I can use if I need to get the barrel protruding further out from the scalar but I thought I would try the scalar that came with the barrel first.On the Zinwell LNBF there is a numerical scale, presumably to be used for adjustment of the f/d to match the dish if the LNBF was placed directly in a scalar? Do we ignore this numerical scale on the Zinwell LNBF and just shove it home to the hilt with a dab of KY lube until the blue LNBF cap rests againts the internal collar in the AV-COMM barrel?I need to get my spare Precision 1.5m rigged up and have a play with this lot ASAP.Rgds</blockquote>

[QUOTE="moonbase, post: 987126, member: 178786"] Hi, Just received my AV-COMM barrel, flat scalar and Ziwell LNBF this morning (pics attached) and have a couple of questions if anyone can please assist? When the flat scalar is fitted to the AV-COMM barrel with maximum barrel protruding from the scalar I have approx 2mm of barrel protruding. Is this sufficient protrusion to be able to optimise the signal re the barrel aperture being at the focal point of the dish and the scalar reducing background noise? I have some alternative wider collar C Band flat scalars that I can use if I need to get the barrel protruding further out from the scalar but I thought I would try the scalar that came with the barrel first. On the Zinwell LNBF there is a numerical scale, presumably to be used for adjustment of the f/d to match the dish if the LNBF was placed directly in a scalar? Do we ignore this numerical scale on the Zinwell LNBF and just shove it home to the hilt with a dab of KY lube until the blue LNBF cap rests againts the internal collar in the AV-COMM barrel? I need to get my spare Precision 1.5m rigged up and have a play with this lot ASAP. Rgds [/QUOTE]

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