Nexus - 4 Device Universal TV Remote Control Back-lit buttons Option to set a "Volume Lock" so that one devices volume controls volume in all other modes Channel Lock so that the remote controls a single devices channel changing functions regardless of operating mode Key Mover  allowing you to map (or copy) keys from one mode to another mode or to a different key in the same mode The ability to program any key with a Macro function of up to 15 sequential key presses. Macros can be programmed as either Mode-Independent or Mode-Dependent