How do i move channel 800 bbc to number 1 in place

What you need to do is retune the TV, but when it is finished look at the regional settings. Or if the regional option is available before retuning, retune selecting your area so then you get normal BBC channels. It's likely that at the moment the channels for BBC are located at the very top end of the channel list say? - channel 800+.

You are clearly picking up signals from many transmitters. With regional settings you can change it to the area you live in.
But you will have to take into account how good your aerial is. Otherwise the signal quality will not be good on same transmitters. So the set may only suggest those with the best quality signals.
ITV stations might also change.
When done it will move the channels you mention to the top end of the guide, to 800+.

Note many HD channels have no regional options. For example here in Yorkshire we only get ITV Granada and not Yorkshire TV on the HD channel for ITV1. And BBC1HD does not show any programmes when local news comes on.

just make a point of tuning on autosearch and it will search and restore back the lost channels

I live in England and noticed in the 800-region of channels there were BBC Scotland and BBC Wales. Have a look through 800-onwards and you may come across ITV channels like this. It is possible that ITV only do regionalised service so I would be unable to help any further.

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Double check the programme postions in the 800 ranges.
If Granada channels are not there, you will have to get your ariel setup cheked over by a specialist.

You can check your current signal stength/quality over at -- http://www.digitaluk.co.uk/what__and__why

Type in postcode and select trade view. Will explain the different transmitters in your area and your expected coverage.

If you need help moving channels into the correct postion, Sony's technical support on 0845 6000124 will be happy to help.

All the best,

There should be a channel editing part, you just need repostion the channels. It will probably have moved the BBC channels you want elswhere on the list of channels.

Not a complete solution but after much fruitless fiddling through the menu I eventually found that the programmes were actually there but under different channel numbers.
I searched a long way down the LIST of channels (on remote) The BBC1 channel I want is now 800 BBC. Selecting 1 on the remote still brings up BBC Wales.
This applies to my Humax 8000T PVR - I can't comment on other makes of Freeview box.

Try channels 801 802 803 etc