So in the end I was able to reprogram a remote and talk to my new tuner. Whether or not the tuner itself proves useful is beside the point. I take pride in my little achievement that no one but another engineer can appreciate. But I'm an engineer, and I'm supposed to be able to do things like that.
A title bar of GNOME Calculator. A title bar is a graphical control element and part of the window decoration. provided by some window managers. As a convention it is located at the top of the window as a horizontal bar.
In the Macintosh operating systems, the menu bar is a horizontal bar anchored to the top of the screen. In macOS, the left side contains the Apple menu, the Application menu (its name will match the name of the current application) and the currently focused application's menus (e.g. File, Edit, View, Window, Help).