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Picking up rf signal on my u87I - Neumann U87 Professional Microphone

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Wow that is annoying! Sounds like it's not properly shielded. Check out this site http://www.heilsound.com/amateur/tips/rfi_removal_mics.htm

Posted on Jul 30, 2009

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Posted on Jan 02, 2017

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Yupiteru MVT 7000 can scan but no rf signal picked up


Sounds like main system control memory IC fault. Contact any service technician to replace it. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

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What is rf gain cotrol on a cobra cb radio


Rf gain on a cobra 29 is the same as on any other radio. When you turn the knob all the way to the right the RF increases to draw in signals that are far away nut if you turn it to the left only the nearest stations will be picked up.

Sep 22, 2012 | Cobra 29 LTD CB Radio

1 Answer

Connecting to base


read the user manual as the handsets have to be registered by the base unit to be connected
the main base is the operational unit
the other bases are just cradles to hold the phone while it is being charged

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1 Answer

How to install DVD player on GE Model 19GT270 TV


To hook a DVD player to this model, you'll need an RF modulator (also called an RF converter). You can find one at most retailers where they sell TVs, and also online from places like Amazon.com.

Without the AV jacks, the only way the TV can pick up anything is with its tuner. An RF converter takes the audio and video signals from the DVD player and turns them into a channel 3 or 4 signal that the set can tune in. Unfortunately this does reduce the picture quality some, but on older TV sets it's the only option.

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1 Answer

Similar problem


Your fan receives RF signals from the remote for control. It may be picking up stray RF signals from a neighbor. Try re-programming your fan/remote to a different frequency.
(RF=radio frequency)

Jul 01, 2009 | Dryers

2 Answers

No reception on cell phone "No Network Service"


You need to check the RF. The RF is a component that pick up the signal. It is usually placed on the upper portion of the phone where there's a small exhaust so that the RF could pick up the signal better.

Once the RF gets wet, the component might become defective.

You need a phone tech to check or change the RF.

Have a great day!

May 27, 2009 | Sony Ericsson w580i Cellular Phone

1 Answer

Motorcycle Laser Detector False signal


This is a power noise issue caused by alternator whine. There are two solutions. First, you could try wiring the RD's power directly to the bike's battery terminal. Or you can get a snap-on RF filter which is available at your local radio shack. Loop the RD's 12V power wire around the snap-on RF filter two or three times and then snap the filter closed. The RF filter is simply a ferrite choke. It should block the alternator whine sufficiently to stop the laser falses. If the RF filter doesn't do the trick, then you will need to get a noise filter from a car stereo shop. The cheapest one will do, as long as it says that it will attenuate noise by 30dB or more. Come to think of it, a car stereo shop could have a RF filter installed on your bike in less than 20 minutes. So perhaps that might be the way to go.

Mar 31, 2009 | Cruisader Radar Detector

1 Answer

Humminbird rf15 menu says "waiting for signal"


The remote transmitter needs to be in the water for the rf15 to pick up a signal. (green peice has to be in the water).

Mike

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1 Answer

Speaker noise


Logitech X-240 seems love to pickup all RF noise.
Any AM [amplitude modulation] over such RF gets into audio as another noise - some might pick up AM radio signal although won't sound clear at all with some amplifiers [I am serious] - which has high gain preamps - less shielding and unmanaged ground wire handling.

Re-engineer with shilded cable - and [I don't know how normal users will do] - make sure the docking part is not the RF picker.
Well, when your CPU is processing millions of transistors are switching, and we call that digital noise, usually systems with high SNR {signal to noise ratio} should be more immune to such.

One more thing, it could be just the audio card [be it plugged in PCI bus or in Motherboard] could be a bad one - which is picking up noise - rearrange all cables inside CPU box - and check.

Isolate the problem - if it is from CPU, and audio-card --> audio line-out amp chip is picking the noise, - unplud the card or swap with another good audio card, possibly different make/model.
If the audio is on motherboard - do disable through BIOS setup.

Dec 17, 2008 | Logitech X-240 Computer Speakers

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