- self["key_red"] = Button("red")
- self["key_green"] = Button("green")
- self["key_yellow"] = Button("yellow")
- self["key_blue"] = Button("blue")
+ self["key_red"] = Button("All")
+ self["key_green"] = Button("ARD")
+ self["key_yellow"] = Button("ZDF")
+ self["key_blue"] = Button("Favourites")