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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 07 Feb 2014 (Friday) 09:19
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RF EMISSIONS FROM 1D X CAMERA

 
LIGHTRAE
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Feb 07, 2014 16:59 |  #31

That's my take on it, too, Anders.
It's definitely low level and not too big a problem.
My biggest concern is that it might be a symptom of some hidden defect. I'd just as soon find out early, before it manifests as a big post-warranty repair bill.


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EOS5DC
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Feb 07, 2014 17:46 |  #32
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This is news to who, exactly? Everything that uses electricity emits RF. Yes, even your toaster.


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LIGHTRAE
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Feb 07, 2014 18:00 as a reply to  @ EOS5DC's post |  #33

True, EM radiation is ubiquitous but sometimes it is a symptom of an underlying problem or defect.
Since it seems that nobody has reported this particular phenomenon before, I'm looking for cause(s) while there is still warranty coverage.


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Snydremark
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Feb 07, 2014 18:53 |  #34

EOS5DC wrote in post #16672126 (external link)
This is news to who, exactly? Everything that uses electricity emits RF. Yes, even your toaster.

Right; his point is, though, that if he holds his toaster next to his pager he doesn't get any response. It's quite odd that the camera is exhibiting the described behavior.


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Feb 07, 2014 18:59 |  #35

Id send it back and get another if that's still an option. It seems as though that pager is an important part of your job and I can see how this would bother me! Good luck, I hope you find a solution.


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LIGHTRAE
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Feb 07, 2014 19:04 |  #36

And therein lies my point: it's odd and possibly costly so I want an answer while there's warranty coverage.


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John ­ from ­ PA
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Feb 07, 2014 19:31 |  #37

LIGHTRAE wrote in post #16672287 (external link)
And therein lies my point: it's odd and possibly costly so I want an answer while there's warranty coverage.

Just make sure you develop some form of reproducible evidence of the problem and date and Canon will likely fix outside of warranty. Do you have an "official" case number with Canon? If not, document exactly what is happening in an email and send to them requesting acknowledgement.




  
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LIGHTRAE
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Feb 07, 2014 19:57 as a reply to  @ John from PA's post |  #38

The camera is brand new and I have been talking with Canon techs. They have never encountered this issue.
I'll be sending the camera to Canon but, as you wisely council, I want everything possible nailed down. That's why I'm picking your collective brains, to test and check everything and present a well defined case.


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Kaoma
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Feb 07, 2014 22:01 |  #39

Jumping here to help, the best I know, may be more solutions.
If you know anybody in the cell industry (Sprint, ATT, T-Mobile, Verizon) we all have spectrum analyzers and can detect, monitor, analize ALL types of RF emissions, to an 1/8" location. If you are in AZ I could help you.




  
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jmikolich
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Feb 07, 2014 23:38 |  #40

Your original post was correct, there is an RF emission whoever is saying there is some interference is not yet proven correct.

Seems like abad shield connection internal to a grounding boundary or just a natural emission from the switching of the microprocessor/clk speed

I'll take my 6D to work on Monday and play with it on the near field probes I've got see if it sniffs anything interesting


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Feb 08, 2014 00:43 |  #41

Just another approach..... You'all been looking at the camera as the culprit. But what about the pager? Pagers are ancient technology and this one may be reacting to a totally different frequency (harmonic?) of an unavoidable low power RF radiation emitted by the camera - well within the FCC spurious emissions specifications. Have you tried it with a different pager?


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Aswald
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Feb 08, 2014 02:06 |  #42

My 5Dc + 580ex2 flash emits enough to set off a beep on my home security system every time I press the trigger. Thought it was only mine.




  
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Gregg.Siam
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Feb 08, 2014 03:55 as a reply to  @ Aswald's post |  #43

Does it trigger other co-workers pagers? Maybe the pager is the problem

Did you buy it locally? I think I would go to any store, fire up a a random 1DX and see if it triggers it.


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LIGHTRAE
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Feb 08, 2014 05:28 |  #44

Gregg.Siam; it does trigger other identical pagers. Testing other cameras isn't possible. Only the largest stores would even have a 1D X in stock and none are near me. 0ther camera models are not effected.
vk2gwk; It is a chicken /egg thing. The camera is the culprit in the sense that it is emitting something which isn't evident from several other tested cameras.
I can switch to a different pager model but the camera emissions will still exist, regardless if I hear them.
The question isn't how to eliminate the emissions. The question is whether it's a symptom of some underlying problem.
Jim et al; all information is welcome. In the end, some low level RF may be normal. My case might be a one-of, unique example but symptomatic of nothing abnormal.


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N2bnfunn
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Feb 08, 2014 11:16 |  #45

I was thinking the same thing pager? Geez what year is this.. that you still have one, the reason is because they never tested a 1DX beside one, because I guess they thought it was none still around. lol


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