An electronic media distributionplay system includes a service facility that has a communications network interface and maintains a data file catalog. Improvements include selective multiple sector erase, in which any combinations of Flash sectors may be erased together. The surface background and model elements may comprise HTML elements, and the surface can include a Web site. The controller obtains information regarding a resolution at the edge of a lens that is used for an imaging operation of the imaging device. In another embodiment, physical layer feedback is used for multicast mapping onto one or more unicast channels. Thus, the use of conditional link enables a third party application to specify how the application is launched from the media center module under different conditions.