EDIT:
Please ignore this unless you're confused like me, I'll leave this up though so someone may learn from my misunderstanding of the parameters!!
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Original post
The Distortion Sense Control as I understand it is a control to help with the balance of gain onset, particularly with different pickup input types/levels (I have a 7 string with an EMG and a 6 string with a P90).
While it certainly can adjust the amount of gain onset, I find it acts like a compressor if I increase the level on a gainy patch, and if I lower the level slightly it makes the final mix react more like my "real" amps in the final mix... Especially with rhythm!!!
Maybe it is how hard I pick, but with either guitar I get more of a fuzzy hair as I increase (even slightly), but a flatter overall sound. The overall presentation and tone itself sounds a bit more aggressive if I lower it just a touch, more dynamic and open.
This is not reacting the same as lowering the gain on my real amp in the mix, or even the gain within the rig. I am very familiar with that, and while I know there are similarities, this is definitely a Kemper thing... At least with my hands!
It is really helping my mixes to reduce (with either guitar) the level a little for every patch I play/record with...
I hope this helps someone!!!
Again, I hope this helps someone!