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2. I received a remote (43 buttons) and a blaster with my Colossus but no USB IR device. Do I need a USB IR input in order to control MP or can I do it with what I have? Where does one get an appropriate IR USB input device if I do need one?
Beware, the IR blaster is the week spot in the Colossus card. You have to put it directly on top of the ir receiver of your set top box, ( ther is a two sided piece of tape on the device for this) or else it won't work. Further, after a year and a half, mine gave up. I sent a message to Hauppauge, and they sent me a new one for free. Really nice about it also!
You can also use a separate usb ir device and control it with TVService. Bought one over the web. Either works ok. And the separate USB device can stand next to the set top box, which is easier.
Hope this helps!