Configuring ATSC TV
Next, Windows Media Center examines the TV signals picked up by your TV tuner. This process takes several minutes, as Windows Media Center checks each of the TV signal sources provided by your tuner for TV signals.
After Windows Media Center detects your TV signals, it displays the results (Figure 3). For purposes of this article, we have connected an antenna to the ATSC connector on our TV tuner, but have not connected cable TV to the analog TV connector on the TV tuner.
Figure 3 Windows Media Center has detected the ATSC tuner.
Note that the digital antenna (ATSC) tuner was detected. If you didn't connect an antenna to the tuner, it would not be listed here. Instead, you would need to click Show Details. Click Yes, then Next to configure your TV setup. Click Next on the following dialog, then Finish.