Since these are intended to be used to for the bridge, I decided to move all the knobs buttons and levers to a separate, optional image that has to be overlayed on top.
It's complicates the editing slightly, but as a tradeoff it allows you to place your own custom buttons and labels.
Just search for tiles marked as «overlay» in the editor, it’s that simple
Mix and match however you want. Here's an example:
https://i.imgur.com/KtQxPEb.png