A system for automatically tuning a primary broadcast receiver using a secondary broadcast receiver to receive a first broadcast signal corresponding to a source of an origin program, one or more program transition detectors to monitor first broadcast signal tuned by the secondary broadcast receiver to determine and signal a transition from a non-original program content to origin program content while a user views or hears alternate programming from a primary broadcast receiver, and automatically tuning of the primary broadcast receiver to the first broadcast signal upon detection by the program transition detector that one or more of user-specific tune conditions have been met.

 
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> Micro-electro mechanical device, micro-electro mechanical device array, light modulation device, micro-electro mechanical light modulation device, micro-electro mechanical light modulation device array and image forming apparatus using the same

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