Try switching off and on at power source [plug]
If not then it's as I said, you need to reflash with correct firmware.
What firmware did you use?
Where did you get f/w from?
Reaper.
You can edit any channel list [I use CW's] download the editor plus instructions and play.
This box is not totally user friendly but everything you need is available on site.
We all have to learn although sometimes not easy.
Reaper