Patent ID: 7278064

Claim:
A method for processing data of an apparatus, the method comprising: receiving a first set of digital data comprising a plurality of subsets of digital data and storing the first set of digital data inside the apparatus; receiving a second set of digital data comprising a first set of displayable data, a first linkage reference and a second set of displayable data for indicating a presence of the first linkage reference, the first linkage reference allowing easy access to at least one of the subsets of digital data; determining whether there is error in the at least one of the subsets of digital data; if there is no error, causing a display device to display the second set of displayable data in a first way to indicate that the at least one of the subsets of digital data is accessible via the first linkage reference; and if there is error, causing the display device to display the second set of displayable data in a second way to indicate that the at least one of the subsets of digital data is not accessible via the first linkage reference.