Michael, Just manually turn down the RF gain with the knob behind (or the collar around) the AF gain control same effect without piddling with the menu settings.? Adjusting the receiver RF gain is the age old technique of mitigating QRM/QRN that seems to escape the younger generation.?? The military used to teach their radio ops a technique to reduce the RF gain until noise is gone or reduce then increase AF to suitable level.? Regards, Phil / K4PO

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