Patent ID: 8566891

Claim:
A system comprising: a functionality module configured to perform one or more functions of a digital television unit; and a testing module, comprising a computer processor, associated with the digital television unit; communicatively coupled to the functionality module and being configured to: receive from the functionality module, data indicative of the one or more functions of the digital television unit; and perform processing using the received data to determine whether to alter one or more parameters associated with the one or more functions of the digital television, wherein the processing includes: comparing the received data with a range of previously-stored data indicative of a selected type of setting of the digital television unit; determining whether a level of similarity between the received data and the range of the previously-stored data is acceptable; and determining that the level of similarity between the received data and the range of the previously-stored data is not acceptable if the difference between the received data and the range of the previously-stored data is greater than or less than a selected value.