[mythtv-users] Need help with meaning of channel table fields

Jerry Rubinow jerrymr at gmail.com
Tue Jan 16 03:14:27 UTC 2007

On 1/15/07, R. G. Newbury <newbury at mandamus.org> wrote:
> When you connect the comcast settop box to the PVR150, you will not be
> tuning using the PVR 150. You will be tuning using the STB. The PVR will
> always be set on '3' or '4', and you will use an auxiliary command
> (through an IR blaster, usually) to control the STB. The input will
> likely be S-video, not the coax input. You do NOT use the same command
> setup to tune the PVR 250.
> Each lineup is a unique set of channels which is tuned by the same setup
> and method. You may have multiple tuners which respond to the same
> tuning parameters (each half of a PVR500 for example). But any channel
> which is tuned by a different set of parameters must be in a different
> lineup. Duplicated channels are not permitted because the system cannot
> know which tuning method is the correct one.
> You may (incorrectly) assume that myth knows how to tune each tuner, and
> therefore knows how to tune a given channel. But in fact, myth only
> knows how to apply the listed tuning parameters given for a channel, to
> the indicated (allowed) tuner. If the tuning parameters were actually
> for a different tuner, it would have no way of knowing because it does
> not tune that way.

This is tangential to the discussion, but I figure you probably know the
answer - when you go into Watch TV, how does Myth decide which tuner it's
going to use?  It doesn't seem to be the one with the highest priority.  Is
it always tuner #1?

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