I have a system in a client's bedroom with a PDP4330 Pioneer Plasma, a TSU6000, and a Xantech 490-90 IR eye that repeats to both local source components (in a closet) and to the basement racks (where the othe components and preamp are). The 490-90 goes into a CB12 (one zone coneecting block) which is powered by one of the Z630's (Elan preamp). The signal gets through to the source equipment in the basement and in the closet just fine, but the elan source select, and volume control commands only work if the Pronto Pro is less than 8 feet from the IR eye. Does anyone know how I can extend this range or a different IR eye with the frequency capabilities of the 490-90 even when near a plasma. I have tried shooting differently, re-learning, dowloading, etc. codes for this stuff but no success. Thanks in advance for any help.