Patent ID: 8312506

Claim:
A method for accessing digital television information in a digital television system, the digital television system comprising a digital television unit, a television signal source, and a user control interface; and the digital television unit comprising a processing unit, a random access memory, and a non-volatile memory, the method comprising: receiving a setting information change signal for changing setting information from the television signal source or the user control interface, wherein the setting information comprises a channel information and an on-screen display (OSD) information; updating the setting information into the random access memory; erasing at least a portion of the non-volatile memory to accommodate the updated setting information; transferring the OSD information of the updated setting information from the random access memory to a first section of the non-volatile memory if the updated setting information comprises only OSD information; and transferring the updated setting information comprising both the channel information and the OSD information from the random access memory to a second section of the non-volatile memory if the updated setting information comprises channel information or the digital television unit is reset or shutdown.