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Correct, this is not an intercarrier system.
The fine tuning on this set, unfortunately, is pretty lame. Unless there's something broken about it. It's just a piece of phenolic or bakelite, spirally tapering, floating in front of the tuner. Too hard to describe, I'll have to shoot a photo.
I doubt it can move the local oscillator 6MHz. The effect from full counterclockwise to full clockwise is noticeable, but "feels" like turning a typical fine tuning only a few degrees left and right of tuned.
There are coarse-tuning slugs per channel that I haven't tampered with yet. I'll give channel-3's a spin Friday too, see if I can find any sound that way. Presumably the picture will go south at that point though. Need to get that 4.5 MHz separation.
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