Internal variables are for tracking the state of different devices modes. Regarding MX-3000, can you make a touch button having the title "Surround Mode: " changing on every single press of this button (besides sending an appropriate IR code) like " Movie", " Music", "ProLogic"? I'm thinking of the way to mimic the OEM remote buttons that do loop through the surround modes thus having minimal amount of buttons. If that isn't smart way to go, please folks tell me smarter approach. Otherwise I do anticipate that if it's doable on high-end MX-3000 it would be possible on the new upcoming generation of more affordable MX-700/MX-800 remotes (i.e. changing the custom labels on LCD on pressing buttons and/or inside macros).