As with most modern radios, the RF gain control is actually an IF gain control
that scales the signal level mathematically at the input to the DSP. It's often
used by operators who like to manually control the level of signal ahead of the
DSP AGC.
This is different from "hard" front-end gain
On 7/2/2022 8:34 AM, Roy Morris, Jr. via Elecraft wrote:
I find my receiver is very noisy.
Those of us who live in civilization are surrounded by dozens of noise
sources in our own homes, and dozens more in the homes of each of our
neighbors. Almost anything that plugs into the wall is a
This may not be of much use to you but I have found on the K3 that the
AFX BIN setting very significantly reduces the perception of noise when
listening to the external speakers. (But not so much in the headphones).
The speakers are MFJ-281, 6" separation, about 30" from ears, dead ahead.
If
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