electronic programme guide

Hi all, i dont know if this is just happening on mine or with others Foxsat HDR320 freesat recorder but sometimes/most times when I selct the 'guide' there is no channel sound to be heard , and then other times I can hear the station its tuned to - its a bit random. If it is just mine then I...

My search has gradually been showing fewer results. Today shows no results. I have tried cleaning the hard drive, turning off the power and removing the supply, and reconnecting to the internet (which should not have any effect I beleive). I dont want to do a ful reset if avoidable as tis will...