Sometime ago (before October 2020) I noticed that the Sweep effect pot only has a noise riser?. This was not the case when I first purchased the Prime 4, it had a down sweep and up sweep depending on the direction you turned the pot/knob/twiddly thing.
I have had a handful of other users confirm this issue too, so wondering on a fix?.
I contacted In Music and they referred me back to the retailer. The retailer (Dj kit.com) said they would get back to me. That was in October, and I will look at chasing them up in the meantime.