Patent ID: 9743134
Date: 2017-08-22
CPC Classifications: H04N

Claim:
1. A broadcast reception device connected to a conditional access module (CAM) for descrambling scrambled broadcast content, the broadcast reception device comprising: a communication interface configured to receive, from the CAM, a first data unit comprising a request for diagnostic information for representing a status of the broadcast reception device; and a controller configured to: wherein the request comprises at least one of a request for displaying a diagnostic information related screen and a request for stopping the displaying of the diagnostic information related screen, wherein the second data unit comprises information representing whether the broadcast reception device supports displaying the diagnostic information related screen, wherein the reply comprises information on a showing status of the diagnostic information related screen shown by the broadcast reception device, and wherein the showing status information is at least one of information representing that the broadcast reception device is displaying the diagnostic information related screen and information representing that the broadcast reception device is not displaying the diagnostic information related screen.