I'm not familiar with macrovision scrambling, but I think it's only on certain channels or programs - here results are same no matter what channel. Randy Alan Cox wrote:
1) The xawtv TV image is either all black, or occasionally a flickering, highly distorted image that suggests "something" is there. Output from xawtv debug level 2 is below.Does the set top box output macrovision scrambling. BT878 is kind of immune to this, the buz is not ?