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Old 03-03-2014, 07:31 PM   #1
mp11
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remote problems?

On my TivoHD during the last few months, I've noticed that when pressing keys on the remote, that it's actually performing a "double click" action. I.E. it's actually pressing the button twice. Even happens when "paging up" or down also. Tried changing batteries, but problem persists. Is it a problem with the remote or the sensor on the unit? BTW Tivo is about 5 years old.
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Old 03-03-2014, 11:17 PM   #2
dlfl
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I have the same problem on my 5 year old THD but not on every key press, just often enough to be a nuisance. It got bad enough a year ago that I even replaced the remote with another Tivo remote from Amazon (much cheaper than from Tivo). It seemed OK for a month or two then became at least as bad as the original remote. My guess is it's the remotes, not the Tivo. BTW this problem is commonly called "double keying", just FYI.
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Old 03-04-2014, 06:47 PM   #3
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Quote:
Originally Posted by dlfl View Post
I have the same problem on my 5 year old THD but not on every key press, just often enough to be a nuisance. It got bad enough a year ago that I even replaced the remote with another Tivo remote from Amazon (much cheaper than from Tivo). It seemed OK for a month or two then became at least as bad as the original remote. My guess is it's the remotes, not the Tivo. BTW this problem is commonly called "double keying", just FYI.
Is that the same as switch bounce?
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Old 03-04-2014, 11:09 PM   #4
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Is that the same as switch bounce?
OK with me. Remote buttons and keyboard keys are switches and in general they bounce and their interface circuits must be designed to de-bounce them to prevent (undesired) double-keying.

I know enough about you to suspect you were just playing dumb to put me on. Hope my explanation passes muster.
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Old 03-05-2014, 04:22 PM   #5
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OK with me. Remote buttons and keyboard keys are switches and in general they bounce and their interface circuits must be designed to de-bounce them to prevent (undesired) double-keying.

I know enough about you to suspect you were just playing dumb to put me on. Hope my explanation passes muster.
I've heard of switch bounce--it's something switch designers try to avoid or minimize and switch interface circuitry designers try to anticipate and counter-act without blocking intentional repetition (like when you meant to enter 22 instead of just 2), but hadn't encountered the term "double-keying" in this context previously, and wanted to be sure I knew to what you were referring.
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Old 03-05-2014, 05:53 PM   #6
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I'm doubting my double-keying definition now -- maybe it was a brain fart.
Googling it doesn't result in any hits related to switch bounce. Rather to actually hitting the key or button twice, either intentionally or accidentally.
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Old 03-05-2014, 11:20 PM   #7
L David Matheny
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I'm doubting my double-keying definition now -- maybe it was a brain fart.
Googling it doesn't result in any hits related to switch bounce. Rather to actually hitting the key or button twice, either intentionally or accidentally.
In the old days, relating to keyboards, I think it was called "contact bounce". But it's actually more a contact rubbing effect, where the resistance fluctuates as the switch contacts wipe across each other. Some wiping action was good to avoid buildup of oxidation on the contact surfaces. I think modern keyboards tend not to use switches that actually make physical contact.
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Old 03-07-2014, 03:29 PM   #8
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My remote started giving problems around the 5 year mark (a few months ago). Double button presses on some buttons and others barely worked no matter how hard you pressed them. I gave up and got a new remote and havne't had any problems since.
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