[mythtv-users] LiveTV issues (root caused to cable signals)

Joseph Fry joe at thefrys.com
Sat Sep 1 05:51:33 UTC 2012

>> > After re-cabling:
>> > (notice the numbers jump)
>> >
>> > [me at mythtv libhdhomerun]$ ./hdhomerun_config 1313E021 get
>> /tuner0/status
>> > ch=qam:759000000 lock=qam256 ss=76 snq=82 seq=100 bps=38809216 pps=994
>> Those numbers, while clearly better, are still rather low.  I typically
>> see values in the 90's.  I seem to recall ss=76 indicates a power
>> level that would normally be out of spec for digital cable (although
>> it might just work sometimes).
>> First thing, plug the hdhr directly into the outlet using a short piece of
>> quality coax, and see if the values are more reasonable.  If not, call
>> your cable company and ask them to make a service call.  They are
>> responsible for adequate signal levels at the outlet.  If it looks good
>> directly plugged into the outlet, it would point the finger towards your
>> coax or splitters (or cable amp if you using one).
> I just don't understand why recording a show works, but LiveTV always
> fail.  That seems odd to me.

That is odd.  Do you have fast channel switching enabled?
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