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Originally Posted by sollp
The default frequency carries the Home transport STREAM,this can be any transport stream(broadcast multiplex) all the download info for the STB to do an over the air code download, so i'm hardly incorrect. Everything i said was correct. If you want a game of i know more than you,then carry on, i'm sure i could get the manuals on the STB and how it works like any other person can. You've repeated what i said. Apart from saying that all the Transport streams carry the NIT as you say,(don't think this is the case myself i think it is carried on a couple of streams, but might be wrong)i'm not totally incorrect as You say.
If you look on the engineering screens, on page 5 it will show the frequency the STB was last tuned to, if the AGC is higher than 70% or the SNR is lower than 29% the problem could be low input levels, this could be why it is stuck on tune.
If stuck on NIT it could indicate corrupted data, again on page 5 if the PRE and POST errors are incorrect either the data is corrupted by the network being at fault or more likely the STB is faulty.
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Sometimes Sollp you are going to meet people who do know a little more than you. It even happens to me!
Like Escapee, I was a Principle Engineer within ntl in the past.
The Home transport as you correctly call it carries the STB software data for all hardware versions, its on Mux 17.
All transport streams carry the required PSI and SI tables. Therefore as I said all transport streams carry the NIT.
The bit in your post above where you say
Quote:
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Originally Posted by sollp
Either there is a low signal level going into the stb and by holding down the Down button you are skipping the tune process, bypassing getting the NIT and hoping that it will work after this or the STB is knackered and needs replacing.
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is wrong. Theres no bypassing getting the NIT. The STB does not store the NIT, so a reboot means it has no idea what frequencies the streams exist on, until it re-gathers the NIT and SDT tables.
I don't need to read the manual. I remember how it works.