I recently resurrected my Sony svr-2000 and connected it with the help of Tivo telephone support. I'm sure that the ir code is the correct one. Nevertheless, the Comcast set-top box occasionally will fail to read the final digit that the dvr transmits. (I didn't think that the Discovery channel would have a show hosted by buxom ladies in heavy make-up agitatedly speaking Spanish.) To counter this, I taped BOTH ir blaster heads together (to double the effectiveness?) This seems to have worked but I was wondering if anyone knew where the receptor for ir beams is on the front of Comcast/Cisco/Scientific Atlanta set-top boxes. I can't find it by shining a flashlight at the front panel and looking for the reflection. Also, can anyone give me a suggestion on how far forward of the edge of the top of the set-top box the ir blaster transmitter should be positioned for greatest effectiveness? Finally, is there an add-on that can be purchased to boost ir blaster potency? Thanks. Oh, one last question which I hesitate to ask for its revelation of my stupidity. Can the Sony SVR-2000 be configured (with a Comcast set-top cable box [NOT a DTA]) to record one show while one is watching another? How?