Trivial Button Issue Mapping

Got a bit of a silly problem. I have a wetek and i want to map a button to turn on my pvr system via hdmi-cec. I have the script which does this and I have succesfully done this before on a different build (older libreelec days)

Unfortunately, this particular button now “turns off” the system. So every time i go into keymap edit and have those 5 seconds to do what i need it turns the system off when i press it lol.

How can i go about changing this behaviour?

You could just manually create the keymap file

You have all the info you need here:

thanks will give it a shot