quite a lot people ask what do these scans mean so heres a meagre attempt at an explanation     PI Errors should be as low as possible- the best burns are shown with a scale of 0-10   PI Failures should also be as low and as few as possible, many PIF errors will result in a low quality rating   Jitter has an effect on the quality too, if the jitter goes over 10% the quality drops dramatically.   If error correction totally fails, that's when you get a PO Failure (Parity Outer). The