i thought mine was sorted, no, comes n goes, found a guy in the pub has same unit and has the same problem in a transit, so we swapped for a week, still no good, sick of it now, so its sold on ebay, original unit placed in and what a difference, i miss the crackle and white noise....not,, chhhhhhhsssssssshiiiissssssssss.
so its gone, thank goodness for that