Can I use WinTV Extend with the IR blaster?
Yes. If you have one of the Hauppauge TV tuners with a built-in IR blaster, WinTV Extend can use the IR blaster to change the channels on your cable TV or satellite set top box. Hauppauge TV tuners with a built-in IR blaster include the WinTV-HVR-1600, WinTV-HVR-1850, WinTV-HVR-1950 and WinTV-HVR-2250.