| Microsoft DirectX 8.1 (C++) | 
The IATSCChannelTuneRequest object represents a tune request valid for ATSC network types. Applications create IATSCChannelTuneRequest object using the ATSCTuningSpace.CreateTuneRequest method. See Default Tuning Spaces for the properties of the default ATSC TV tuning space.
| Method or Property | Description | 
| Channel | Retrieves or sets the channel to be viewed. | 
| Clone | Creates a new copy of this IATSCChannelTuneRequest object. | 
| Components | Retrieves the IComponents object collection for this IATSCChannelTuneRequest object. | 
| Locator | Retrieves or assigns the locator object associated with the requested broadcast. | 
| MinorChannel | Retrieves or assigns the minor channel number to be viewed. | 
| TuningSpace | Retrieves the tuning space object |