IN A DIGITAL TELEVISION SIGNAL PROCESSOE (22), DIGITAL TELEVISION CHANNEL VIEWING STATUS (E.G., BLOCKED OR VIEWABLE) (50) IS STORED (32) ACCORDING TO THE PHYSICAL CHANNEL NUMBER (48) OF A DIGITAL TELEVISION CHANNEL RATHER THAN ITS VIRTUAL CHANNEL NUMBER (46). IN THIS MANNER , THE SELECTED STATE (E.G., BLOCKED OR VIEWABLE) (50) OF A DIGITAL CHANNEL'S VIEWING STATUS IS IMPLEMENTED REGARDLESS OF WHETHER AN OFF-AIR GUIDE CONTAINING VIRTUAL CHANNEL DATA IS ENABLED OR DISABLED. SINCE THE VIRTUAL CHANNEL NUMBER (46) OF A DIGITAL TELEVISION CHANNEL MAY NOT BE THE SAME AS THE PHYSICAL CHANNEL NUMBER (48), STORING THE SELECTED STATE OF A DIGITAL CHANNEL ACCORDING TO ITS PHYSICAL CHANNEL NUMBER ASSURES THAT THE SELECTED VIEWING STATE IS FOLLOWED.
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