Low Band experimenters might try using PRE and ATT enabled together.
In order of increasing RF gain I find my settings are: ATT on, both
ATT and PRE off (= normal), ATT and PRE on together for a modest gain
increase, and PRE on.
On 160M with weak DX, depending upon the noise floor, it often makes
a difference for me to kick up the gain just a little to better hear.
Sometimes enabling the PRE alone results in too much gain and noise
regardless of the RF gain setting.
I prefer running with the AGC off and adjusting the RF gain for weak
DX. A congested contest or strong adjacent signals may require a
different technique.
73, Gary NL7Y
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