[mythtv-users] HD QAM signal - LAMGV vs LAM

[William Munson]

Patrick Wagstrom wrote:
> I've tried to find the answer to this, but couldn't manage to find it,
> so here's hoping someone knows.
>
> I have dual HD-3000 cards that use to tune in QAM via Comcast in
> Pittsburgh.  Sometime last week, comcast did something to their signal
> that made me remap almost all of my high-def channels, with the
> exception of PBS.
>
> I went through and remapped all the channels, but noticed along the way
> that when tuning the high def channels that changed, they used the say
> LAMGV and now they just say LAM.  I've seen in the past that changes may
> have something to do with encryption[1], but there has been no change in
> the signal that I can tell.
>
> So, can anyone tell me what the letters of LAMGV mean?
>
> Thanks!
>
>
>   
Not sure about your cap card however with a hdhr the difference is 
enabling/disabling the quick tune feature. With it off I see various 
letter combo's including LAMGV. When enabled, the only thing I get is 
LAM. In both cases it tunes the channel.