[mythtv-users] Channel scan with minimal updates?

[Stephen P. Villano]

On 1/2/14, 10:17 AM, Mike Perkins wrote:
> On 02/01/14 15:01, Simon Hobson wrote:
>> Tom Dexter <digitalaudiorock at gmail.com> wrote:
>>
>>> Now I'm totally confused.  How to you scan a range of channels?  I was
>>> actually just starting to look into the transport scan option, which
>>> appears to be for a single mplex(??).  Speaking of which, is there any
>>> sort of reasonably current documentation on the channel scanning in
>>> mythtv-setup?
>>
>> Is it a problem to do one scan, move the antenna, then do another scan ?
>> If not, then what might be best is to delete all channels (gives you
>> a clean channel database that you don't get with any other option
>> than "delete all channels on all hosts"). Then you can either do a
>> full scan, or do a scan all existing transports. I forget the options
>> now, but you can do a new scan while keeping existing channels - thus
>> you can scan all your transports and you won't get anything for those
>> that are on "the other" antenna position, and then do another scan to
>> get those other channels.
>> Also, there's a tick box to get related transports - so if either of
>> the transmitters has added a new multiplex then (assuming their data
>> is correct), you should find the new transport added automatically.
>> That's how it works over here in the UK, dunno if things are that
>> "clean" over there.
>>
> Note: "Transport" is what we in the UK call a 'multiplex' and those in
> the US call a 'channel'. (Channel being the old analog equivalent: a
> transmission on a single frequency.)
>
> What we call a 'channel' I believe you call a 'subchannel'. This would
> be one of a number of streams contained within a single transport.
>
> I love the English language, but the various dialects can cause a lot
> of trouble sometimes.
>
It *is* one of the older jokes around, "England and the United States,
two people separated by a common language."