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From: Steven Toth <stoth@linuxtv.org>
To: Scott Bronson <bronson@rinspin.com>
Cc: video4linux-list@redhat.com
Subject: Re: Unreliable tuning with HVR-950q
Date: Sun, 21 Sep 2008 22:28:05 -0400	[thread overview]
Message-ID: <48D702B5.8020800@linuxtv.org> (raw)
In-Reply-To: <9d87242f0809211316g1a34f0e7wed0f8345d5cdd787@mail.gmail.com>

Scott Bronson wrote:
> On Fri, Sep 19, 2008 at 11:37 PM, Steven Toth <stoth@linuxtv.org> wrote:
>> I guess it's possible that the frontend is being overwhelmed. What happens
>> if you discinnect the antenna and hold it very close to the antenna
>> connector on the usb device and try locking on a channel that doesn't
>> normally lock (on a very close transmitter).
> 
> Yes, that does seem to help.  I can't find a distance that gives locks
> 100% of the time, but 1mm distance seems to take it from 50% to
> 80-90%.
> 
> It seems to always get a lock if I just keep trying.  I just quickly
> keep hitting return and escape until I get a picture.  It rarely takes
> more than 3 attempts.  However, if I just leave it alone as it tries
> tune, it will sit there forever (well, at least 1/2 hour) and never
> get it.
> 
> Thanks, tell me if there's anything more I can do.

This is really starting to sound like a signal level issue. Try 
attenuating, this will probably help. Radio shack probably have a 
selection of 5 and 10db inline connectors that should help.

I don't know where our lab guys from ours from.

This isn't something that we can compensate for in software.

- Steve

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  reply	other threads:[~2008-09-22  2:28 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-19 21:25 Unreliable tuning with HVR-950q Scott Bronson
2008-09-19 21:28 ` Devin Heitmueller
2008-09-20  3:05   ` Scott Bronson
2008-09-20  5:55     ` Scott Bronson
2008-09-20  6:37       ` Steven Toth
2008-09-21 20:16         ` Scott Bronson
2008-09-22  2:28           ` Steven Toth [this message]
2008-09-22 19:06             ` Scott Bronson
2008-09-22 19:22               ` Steven Toth
2008-09-23  6:35                 ` Scott Bronson
2008-09-23 15:14                   ` Steven Toth
2008-09-26 16:52                     ` Scott Bronson
2008-10-01 18:46                       ` Scott Bronson
2008-10-06 15:43                         ` Steven Toth
2008-10-06 15:53                           ` Devin Heitmueller
2008-10-06 15:57                             ` Steven Toth

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