[mythtv-users] Actisys IR-200L reliability...

[Calvin Gorriaran]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

It is definitely not a problem with myth. It is either the program I am using to change the channel or an issue with the ir blaster.  
Thanks for the recommendations. I will clean both the irblaster and the cable box. Hopefully that will help.

Calvin


On Sun, Jul 06, 2003 at 04:18:23PM -0400, Joseph H. Fry wrote:
> Sounds like it might be an ir transmission error, just like when using a
> remote to change channels but the unit doesn't receive one button
> press... clean the receiver and your transmitter, and you might adjust
> the distance between them as well.
> 
> I'm pretty sure you can adjust the delay between transmissions as
> well... perhaps your receiver cannot process fast enough to receive
> entries that fast.  Try increasing this delay (I'm not sure how, but I'm
> pretty sure it's there in lirc somewhere)
> 
> It's a shame that there is no way to get feedback about what channel you
> have tuned... but I imagine that is nearly impossible.
> 
> You might try and write a script that will change channels repeatedly
> and while it's running, adjust blaster placement until it can reliably
> tune to the correct channels without fail.
> 
> That's the unfortunate disadvantage of a ir control solution... it's not
> 100% reliable.  Sunlight, and many other things produce enough infrared
> light to interfere with transmission.  So you might also take note of
> the time's in which this is happening, and see if you can attribute it
> to environmental conditions, like sunlight or lights on in the room ect.
> 
> Hell... I've seen situations where a good layer of dust has made a
> remote act flakey... cleaned the remote and the receiver and it worked
> great.
> 
> Due to the fact that it's ignoring the second digit in the channel
> string (channel 444 tuned to 44 was likely the first and third 4) I'd
> bet that your receiver has difficulty receiving as quickly as your
> transmitting, so it ignores the second character because it's still
> processing the first, it then will catch the third because it is ready
> for it by then.  Because this is so intermittent I don't think you need
> to increase the delay much, a few millisecs would probably be enough.
> 
> http://www.geocrawler.com/archives/3/3680/2002/7/0/9103428/
> 
> http://www.gossamer-threads.com/perl/mailarc/gforum.cgi?post=2138;search
> _string=%5Bmythtv%5D%20lirc%2C%20Motorola%20DCT2000%20and%20the%20Actisy
> s%20IR%20blaster;guest=747108&t=search_engine#2138
> 
> 
> Essentially, before you even consider this to be a problem with myth,
> make sure that you don't have any problems elsewhere.
> 
> 
> Joe
> 
> > -----Original Message-----
> > From: mythtv-users-bounces at snowman.net [mailto:mythtv-users-
> > bounces at snowman.net] On Behalf Of mark at zzo.com
> > Sent: Sunday, July 06, 2003 1:24 PM
> > To: Discussion about mythtv
> > Subject: Re: [mythtv-users] Actisys IR-200L reliability...
> > 
> > Are you using it to transmit commands to a satellite or cable box?
> >     M
> > 
> > Calvin Gorriaran(calvin at houstonns.com)@2003.07.06 01:35:05 +0000:
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA1
> > >
> > > LIRC...
> > >
> > > On Sat, Jul 05, 2003 at 11:35:08PM -0700, mark at zzo.com wrote:
> > > > BTW: How did you get your Actisys IR-200L working?
> > > >     M
> > > >
> > > > Calvin Gorriaran(calvin at houstonns.com)@2003.07.06 00:42:22 +0000:
> > > > > -----BEGIN PGP SIGNED MESSAGE-----
> > > > > Hash: SHA1
> > > > >
> > > > > Every once in a while myth will record the wrong channel.
> Everytime
> > it happens it is on the channel of the first digit of the channel it
> > > > > should be on. For example: Myth is setup to record channel 12 at
> > 4:00pm, it ends up switching it to channel 1. Tonight it was suppose
> to
> > > > > record channel 444, it recorded channel 44. This only happens
> every
> > couple days or so. Anyone else noticing this?
> > > > >
> > > > >
> > > > > Calvin
> > > > > -----BEGIN PGP SIGNATURE-----
> > > > > Version: GnuPG v1.2.0 (FreeBSD)
> > > > >
> > > > > iD8DBQE/B7a+1CCG53ZaRNYRAkOKAJ0dOefCQ04ln09Z6fm5IeGXqhgWOgCeMAqp
> > > > > Z+hQcBgOgHkxds1N1Nqj0b0=
> > > > > =S2KW
> > > > > -----END PGP SIGNATURE-----
> > > > > _______________________________________________
> > > > > mythtv-users mailing list
> > > > > mythtv-users at snowman.net
> > > > > http://lists.snowman.net/cgi-bin/mailman/listinfo/mythtv-users
> > > >
> > > > --
> > > > ------------------------------------------
> > > > Mark Ethan Trostler	mark at zzo.com
> > > > Computing Solutions	http://www.zzo.com
> > > > ------------------------------------------
> > > > _______________________________________________
> > > > mythtv-users mailing list
> > > > mythtv-users at snowman.net
> > > > http://lists.snowman.net/cgi-bin/mailman/listinfo/mythtv-users
> > > >
> > > -----BEGIN PGP SIGNATURE-----
> > > Version: GnuPG v1.2.0 (FreeBSD)
> > >
> > > iD8DBQE/B8MZ1CCG53ZaRNYRAu/ZAJ47A3SuYXBq6xQ4iaGhoRePCQLKfACfb+gc
> > > 8ZmEPUSL78Qkqp2NvTPasp4=
> > > =ZrMD
> > > -----END PGP SIGNATURE-----
> > > _______________________________________________
> > > mythtv-users mailing list
> > > mythtv-users at snowman.net
> > > http://lists.snowman.net/cgi-bin/mailman/listinfo/mythtv-users
> > 
> > --
> > ------------------------------------------
> > Mark Ethan Trostler	mark at zzo.com
> > Computing Solutions	http://www.zzo.com
> > ------------------------------------------
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at snowman.net
> > http://lists.snowman.net/cgi-bin/mailman/listinfo/mythtv-users
> 
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at snowman.net
> http://lists.snowman.net/cgi-bin/mailman/listinfo/mythtv-users
> 
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.0 (FreeBSD)

iD8DBQE/CJYK1CCG53ZaRNYRAjm0AJ9QNLjVxDKpwme0W/a/rxrjRcbaWQCfbJk4
GzPuyzgJBKwrOnP7OlP089Q=
=ShlB
-----END PGP SIGNATURE-----