Patent ID: 7769271

Claim:
A method, comprising: determining whether a first parental grade code is included with a video signal; generating a second parental code when the first parental grade code is not included with the video signal, storing the second parental code in a navigation area of a disc from which the video signal is received, the second parental code corresponding to a first user-selected parental level selected from a plurality of parental levels; and blocking viewing of an entire program corresponding to the video signal based on detection of the second parental code in the navigation area of the disc, said method further comprising: generating an on-screen display (OSD) menu listing the parental levels, receiving a second user-selected parental level based on a selection of one of the parental levels in the OSD menu, the second user-selected parental level being different from the first user-selected parental level, and changing the first user-selected parental level to the second user-selected parental level on the disc, said changing including storing a code corresponding to the second user- selected parental level in the navigation area of the disc to be used in place of the first user-selected parental level previously stored in the navigation area of the disc.