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All posts by jb38

Below are all of jb38's postings, with the most recent are at the bottom of the page.


Stuart: You haven't mentioned your location in relation to the transmitter and its important to know this, but you should ensure that your signal isn't excessively high as that can cause the problem you are referring to, as overloading always usually affects HD before SD.

If you have any type of aerial booster in line then by pass it, or if you do not have a booster then try a test using a set top aerial.

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Andy: Are you sue you actually carried out a factory reset? as that should have deleted all previous channels in the memory.

You should take the aerial out and carry out another auto-tune without it installed and that should blank them out, matter of fact as soon as you see the auto-tune starting immediately cancel it, as that should have been enough to scrub everything stored, then after reconnecting the aerial carry out another auto-tune and see what happens this time.

If you still experience failure then you will likely have to scrub anything stored and manually tune in each of the muxes, these being: Ch23 - 26 - 30HD - 25 - 22 - 28

Another point to note being, if you have any type of in line booster fitted you must by-pass it.

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Stephanie Blair: Although you haven't mentioned your location the most like answer is yes! as with a couple of minor exceptions analogue has virtually vanished from the UK, so you will have to purchase a Freeview box and couple this into your TV via a scart lead, making sure first of all that your TV does have a scart socket on the rear or the Freeview box purchased will have to be of the type with a built in modulator, as that couples into the TV via its aerial socket.

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Big Mart: The thing you always have to watch out for when receiving signals from a powerful transmitter at distances such as yours is that the level of signal is not hovering on the verges of being too strong, as this will nearly always start to cause problems on the HD channels before affecting the SD ones, and the fact of you stating that they seem OK tonight could simply be because that the level has dropped off slightly through normal atmospheric changes that take place in the evenings.

If you find that the problem of break up starts again you should purchase a simple in line attenuator of about 6db rating and see if that helps.

Needless to say, that if you have any type of booster in line then bypass it.


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Wednesday 18 April 2012 11:25PM

Iain: If you have access to a set top aerial then plug that in a and carry out another auto-tune, as what you have said would suggest that your TV or boxes tuner is getting blocked by an over powerful signal.

If you dont have a set top aerial then a short piece of wire (about 12") plugged into the inner part of the aerial socket would be suffice for a test, auto-tuning after having plugged this in.

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Wednesday 18 April 2012 11:29PM

Iain: I clashed with your addition, in that case then could you indicate the model of TV in question so that its technical spec can be checked on.

The other thing being, were you receiving BBC OK before the full switchover?

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Colita: It does not really matter if a person has not re-tuned their TV or box on a particular date as retuning at any time afterwards corrects the problem, and so if you have re-tuned and there are no channels showing this is because of some other problem, such as being close to the transmitter station and receiving an excessively powerful signal and which an SW4 area could well be.

If you have a set top aerial of the non-battery powered type then plug that in and carry out a re-tune, if this corrects the problem then you will require an attenuator in line with your TV's aerial input socket, needless to say by-passing any form of booster you might have in line.

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tim: You will have to carry out a factory reset on your Freeview DVD recorder before carrying out an auto-tune, the factory reset procedure also being called "default setting" or "first time scan" depending on the brand of equipment.

If you have any problems finding reset anywhere in the menu then come back with the model number and this can be checked on.

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Paul: The thing that immediately springs to mind is that your TV is an HD Ready device, and if it is then it will not have a DVB-T2 tuner fitted with this being a requirement to receive HD channels.

If you have the manual for the TV then have a look in the specifications / tuner section and check if DVB-T2 is mentioned, as if its only DVB-T then that cannot receive HD.

If you dont have the manual then come back with the TV's model number and this aspect can be checked out.

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morningster: Although you have not mentioned your location I am unable to check the signal strength expected in your area, but speaking in general terms if reception in any area has deteriorated after switchover then its in most cases caused by the signal strength received being excessively high, and so any booster in line should always be by-passed.

If though no booster exits, then a test should be carried out using a set top aerial, or even a short piece of wire (about 12") plugged into the inner part of the aerial socket.

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