SofaBaton U1 BT Remote Configuration

The mapping for “C” is context menu which is distinct from “M” which is for menu which is the side/slideout menu on windows that have that. That button gets a bit fuzzy depending on remote as with remotes that map as “remote” instead of “keyboard” the “menu” button assignment does double duty. The page that would have saved you a lot of messing about trying to figure out simple assignments is here…

https://kodi.wiki/view/Keyboard_controls

If you wanted to dive further you are best served by just digging though the default keymap

and Kodi’s wiki on the subject

https://kodi.wiki/view/Keymap

But if you wanted to actually clone the Vero remote the keymap we are using is not stock