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Luxman R-5030 operation instructions

Would love a good scan of this because I just like having docs for all my gear. Have been unable to find one anywhere. My immediate question is, how to properly connect a FM antenna to the unit? Back panel has screw terminals 1. "300 ohm" 2. "75 ohm" and 3. "ground" not sure if I should be using 1 and 2 or 1 and 3. currently using 1 and 3 as that seemed to work best by trial and error.