The VSX is just another member of the VSX series. You don't need to do anything special other than select the standard c — Staff replied: “Have you walked through the FAQ and for instance increased the Retransmit Count or checked emitter/blasters? Sounds like that it's just a reception issue.”
The VSX is just another member of the VSX series. You don't need to do anything special other than select the standard command set for that model from the Infrared Control Pack with the iTach IR:
Pioneer: VSX/SC Series Main Zone All Models: Receiver