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PMR Funkgeräte und Videokameras

PMR radios and video cameras



Frage von techman:
November 2005

Since Hackermovies not work here, I just ask:

Hi guys, now I need your help again because:

Tomorrow I will shoot an event with 3 cameras. (Just for reassurance: It is not my first such project :-)) It captures on miniDV tape with the following cameras: Canon XL2, Canon XM2 and probably a Sonytrv-900 or VX1000;

Now my urgent question: Have you had any (negative) experiences with PMR radios during the shoot? Because, I would have expected that a "chief cameraman" is directed by radio instructions. Available to me for 4 PMR radios since it was not for lack of space is possible to use a wired intercom. Therefore I would like to know whether the radios can interfere with the recording, or whether they interfere with the recording of BE, because of course it is always possible in principle. Mir is the problem with the phone of Einstörungen only known cause for the happy picture and sound dropouts, but that is synonymous with PMR radio the case??
Unfortunately, I can only test it with my XM2, because the other cameras will be hired until tomorrow.

Please no answers a la "the spark, the camera will only confuse people," because the risk is well aware, but at the events we have already filmed it's happened to us s.and that we just actors, of course, the same thing from 2 to had several cameras in the Picture. Unfortunately, a precise pre-planning is not possible, it only remains for me the solution with the spark during the event.

I hope you can tell me at least a few experiences

Thank you very much
Flo



Antwort von Blackeagle123:

Hello,
Since Hackermovies not work here, I just ask:
-> I believe you will answer because not so many;)

Sounds so good, what you want:)
I myself have not yet worked with these radios, I do not know because of that. But I think it can happen. There are devices with which one of the "microwave radiation" actually measured to test whether the product is still in order. DIe synonymous with beating from mobile phones, are still in the green zone. In radio, they are far above the red line.

But I do not know what to say * g *



Antwort von megalutzi:

Hello,
I have a couple of times working with camcorders and PMR-sparks. So far has struck me yet.
So I would try it.
Greeting
Lutz








Antwort von hannes:

> ... If the radios can interfere with the recording

Remains to be seen
However, I have already had a massive picture noise s.meiner TRV900, just because the phone was in his shirt pocket. Whenever contact is made to the base, the picture jumped by about 30 lines down. Later Looked really strong. (;-))

Sound interference will occur MUs in any case, since the Einstreueung on the scale are much more effective.



Antwort von Nightfly!:

I guess there is no impact because
the frequency and the power are much lower

PMR
Frequency bands at 446 MHz
Performance up to 500 mW
(see eg http://lexikon.freenet.de/PMR-Funk)

Mobile (cell phone)
Frequency bands (900/1800/850/1900 MHz)
Limit of 2.0 watts per kilogram (W / kg), based on 10 grams of body mass, on the German market (http://www.xonio.com/features/feature_11826408.html)

Greeting
Nightfly!




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