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Topic:
Flourescent IR interference
This thread has 6 replies. Displaying all posts.
Post 1 made on Friday March 22, 2002 at 20:10
George Pope
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March 2002
328
I've just installed an IR repeater system in a conference room. Xantech was the product of choice. Since I've used their products before and been happy. In the past I've had Flourescent interference problems,and been able to overcome them by using CFL receivers but,this time it's just not working.
The Electrical contractor has installed dimable flourescents and my emitters are blinking like crazy. Few or none of the commands are getting through. I've tried using 780-80 CFL friendly receivers, moving the receivers, masking the receivers, nothing seems to work. Anyone have any answers?

Thanks,
George
Post 2 made on Friday March 22, 2002 at 20:16
DBDElectronics
Founding Member
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December 2001
46
what about plasma proof IR from Audioplex....it might work
Post 3 made on Friday March 22, 2002 at 22:16
zinon
Founding Member
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September 2001
621
If you turn off the lights is the IR system working OK?What kind of power supply are you using? Are you using sheilded data wire? If yes did you try placing a 470ohm resistor from your ground terminals on the connecting block to the IR in .Then connect the sheild of the data cable to the ground terminal .The resistor will discharge the cable capacitance more quickly allowing the IR codes to pass without data loss.
The 780-80 is a great unit I have installed a lot of them and never had a problem with Flourescent interference .

This message was edited by zinon on 03/22/02 22:22.53.
Post 4 made on Friday March 22, 2002 at 23:01
VinnyBag
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104
The CFL receivers are junk!!! I have never had any luck with them.Try the plasma proof ir that DBDElectronics mentioned.
Post 5 made on Saturday March 23, 2002 at 09:55
zinon
Founding Member
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621
The 780-80 will work fine that's what it was design for. All you have to do is find out what is causing your interference. If the xantech emitter is continuously lite the Audioplex will not help at all. We been using Xantech products for over 20 years. They always work.
Post 6 made on Tuesday March 26, 2002 at 00:24
KDP
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December 2001
17
Audioplex plasma proof recivers work well but take note on the wiring if you are using Xantech ir system
there are 2 different ways to wire it one for Audioplex & one for Xantech(learned that the hard way)
We used one right underneith a Runco 61" plasma that put out somuch interfearance it was goofing up another system some 30 ft away.
Post 7 made on Wednesday March 27, 2002 at 01:01
Ernie Bornn-Gilman
Yes, That Ernie!
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December 2001
30,104
The Xantech CFL stuff usually works. YES, turn off all the lights and see if it really is fluourescent interference.
I had a problem child recently where the Dinky Link talkback LED stayed lit no matter what I did. Most commands got through but TiVo commands randomly were ignored.
After much tedious troubleshooting, I happened to put a layer of painter's blue masking tape over the eye to see if there was IR coming from somewhere in the room. Lo and behold, the talkback LED went very dim! AND THE DEVICE PICKED UP ALL IR COMMANDS THROUGH THE TAPE! It turned out that two layers of tape chilled the talkback LED entirely, and the Dinky Link still got all the signals. As for the TiVo, a much smaller random amount of commands were ignored. I don't know what it was or how it worked, but I am sure remembering it!

Ernie
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw


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