[mythtv-users] Problems installing second capture card - xmltv id issues?

[John Reid]

On 25/07/11 16:53, John Pilkington wrote:
> On 25/07/11 15:57, John Reid wrote:
>> On 25/07/11 14:56, David Watkins wrote:
>>>> I get pixellated and broken up playback,
>>> That doesn't sound like a configuration problem.
>>>
>>>
>>> Presumably you've rearranged your antenna inputs to accommodate the new tuner?
>>>
>>> Any chance you have a bad splitter, bad lead or bad connection?
>>>
>>> .. or maybe, by splitting the input, the signal to the 2200 has gone
>>> below the threshold for good reception?
>> Yes I've had to put another splitter on the cable. When I scan the
>> channels, I get a signal/noise ratio reported. Is this useful to me in
>> this regard? Also there's some info about signal strength when tuning
>> LiveTV. Are there any rules of thumb on what values I should expect or
>> require there? If I'm splitting the lead from the rooftop aerial 4 times
>> is there a preferred way to do this?
>>
>> Thanks,
>> John.
> If this is a signal-strength problem, not a config issue, and you mean
> that you need to feed 4 coax sockets, the usual way would be to split
> once and then split once again - three devices altogether.  It might
> help to install a booster before the first splitter, and if conditions
> are marginal the length of cable between antenna/aerial and booster
> should be kept short. Some boosters have multiple outputs, of course.
>
> John P
>
OK. Thanks both of you for the tips. I'll start swapping some plugs 
around to see if it makes a difference.

John.