When I try and adjust the parameters; it does not matter which way i turn the knob the value only increases up to 25. Then it basically stays there... It flickers when I turn the knob however will not move from 25. I have to turn the PWR off and re-start to reset the default parameter. Occasionally it will allow me to turn it down where I like it but I have to go up to 25 before it starts going back down (Again doesn't matter which way I turn the knob). This is pretty frustrating. I have watched the tutorials, read the manual, Changed the batteries... and now I am appealing to you. I have only had it for about a month. Is my unit defective?
I'm sorry to hear that! I'd suggest first running a USB firmware/effects update that's found at files.tonewoodamp.com.
Run both portions, starting with firmware.
If it does not resolve the issue, please send me an email at email@example.com.