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firewire changes channel but reverts back to prior to channel immediately

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gaberubin at gmail

Jul 29, 2010, 9:04 AM

Post #1 of 3 (230 views)
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firewire changes channel but reverts back to prior to channel immediately

In my ongoing, week-long struggle with firewire channel changing, I
have swapped my Pace box for a Motorola box (coincidentally, I had one
in the house because I was going to add it to my myth-setup).
Previously, my Pace box had been working fine but this week, it
refuses to change channels via firewire although it still captures
fine and I can change channels using a remote or the front panel.

My motorola box will change channels but immediately revert back to
the prior channel. For example, if I go into live tv and choose
channel 180 when it is already on 170, I can see the STB change over
to 180 but immediately it goes back to 170. Has anyone ever
experienced this before? Is there anything I can to fix this issue?
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ylee at pobox

Jul 29, 2010, 11:04 AM

Post #2 of 3 (212 views)
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Re: firewire changes channel but reverts back to prior to channel immediately [In reply to]

Gabe Rubin <gaberubin [at] gmail> says:
> My motorola box will change channels but immediately revert back to
> the prior channel. For example, if I go into live tv and choose
> channel 180 when it is already on 170, I can see the STB change over
> to 180 but immediately it goes back to 170.

The channel you are changing to isn't enabled on the box. Since the
channel number isn't valid, the box returns to the previous, valid
one.

--
MythTV FAQ Q: "Cheap frontend/backend?" A: Revo, $200-300 @ Newegg
Q: "Record HD cable/satellite?" A: Hauppauge HD-PVR, $200 @ Newegg
Q: "Can't change Live TV channels w/multirec!" A: Hit NEXTCARD key
More answers @ <URL:http://www.gossamer-threads.com/lists/mythtv/>
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gaberubin at gmail

Jul 29, 2010, 11:09 AM

Post #3 of 3 (213 views)
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Re: firewire changes channel but reverts back to prior to channel immediately [In reply to]

On Thu, Jul 29, 2010 at 11:04 AM, Yeechang Lee <ylee [at] pobox> wrote:
> Gabe Rubin <gaberubin [at] gmail> says:
>> My motorola box will change channels but immediately revert back to
>> the prior channel. For example, if I go into live tv and choose
>> channel 180 when it is already on 170, I can see the STB change over
>> to 180 but immediately it goes back to 170.
>
> The channel you are changing to isn't enabled on the box. Since the
> channel number isn't valid, the box returns to the previous, valid
> one.

I am changing the channel to channels that definitely do work on the
box though. I can change to those channels when I use my remote
control, so unsure why it is reverting back. I don't think there is
an issue with the channel changing script because this is a new issue.

As mentioned elsewhere, I have been using another box that suddenly
won't change channels either. That is a Pace box and when I try to
change the channel using myth, the receiving a signal from a remote
icon lights up real quick on the STB like it would when I use my
remote, but the number don't change on the STB at all.

I don't think it is a firewire issue because I can still capture fine.
I am swapping these boxes for others just in case there is an issue
with the boxes but seems weird that I would have two that I can
capture from but not change channels.
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