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Hi all, Can some to explain me, "knock windows" settings. In the manual says: "The engine position in degrees after the ignition event at which the knock window signal will start. e.g. If the current ignition timing is 15 degrees BTDC and the start point is set to 10 degrees, the window will become active at 15 - 10 = 5 degrees BTDC" but why the window will become active at 15 - 10 = 5 degrees BTDC? How I see this feature: The start window value this a start point in deg for window? Windows length - this is a total window line segment? e.g. I want to watching the knock within this "segment" 15 deg BTDC to 50 deg ATDC. For this example the settings should be like this: Window start at 15 deg, Window lengths at 50 deg, is it correct? Regards Pavlo