My RF gain needs to be set very low

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G3HKH
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Joined: 2010/03/18 - 19:31
My RF gain needs to be set very low

With my RF gain at max and pre-amp on I get a noise reading (red) around 40dB. No sigs received. So I have to turn the pre-amp off and turn the RF gain right down, which gives a good noise figure but, with a de-sensitised Rx, I can only receive the strongest sigs. Does anyone else have this problem and would be grateful for any useful idea. Thank you. Gear is Icom 756PRO.
Mike G3HKH