A pulse signal drive circuit includes an energy storage device. One exemplary method identifies a set of data sources to be accessed for a user, loads the raw data from each of the data sources to raw data type specific locations and then verifies the integrity of the acquired raw data. Service and content providers are freed from having to develop custom formats for delivering content and data to the cable system. The apparatus includes an electronic processor configured to set a first alarm interval and a second alarm interval in response to the at least one task switch of the respective first or second user-accessible interface being accessed by a user a single time.