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Technika FM In-Car Transmitter loud low frequency hum

I am using this Technika FM In-Car Transmitter for the first time; it is easy to use and works except that the music is accompanied by a low frequency hum. It is continuous whether the music is playing or not whether the mp3 is connected or not and even when the car engine is not turned on. I have moved it to different positions in the car and it makes little difference and situation makes no difference. What can I do to stop this noise?

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  • fretman Jul 21, 2008

    Thanks for your help but, you say grounding; the mp3 and transmitter are small, battery-powered devices not having any grounding available. Or do you mean the car radio is not grounded properly?

  • fretman Jul 21, 2008

    Thanks for your persistence.

  • fretman Jul 21, 2008

    Thanks. I'll try that. Thanks for taking the trouble to reply.

  • fretman Jul 21, 2008

    Thanks again but the website address you gave me didn't work.

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This humming noise is the cause of a bad ground. try a new grounding location. The shorter the ground wire the better. Make sure the connection is metal to metal. I have had the same problem out of competition systems. Good Luck

Posted on Jul 21, 2008

  • Adam Michaels
    Adam Michaels Jul 21, 2008

    Sorry didn't realize they were battery operated it has been a long morning. If you want I can I will find you a sollution. give me about 10 min

  • Adam Michaels
    Adam Michaels Jul 21, 2008

    There is a website with fm transmitter solutions to problems. You might want to check it out my knowledge of technika transmitters is not very good the site is www.bdcast.webex.com. Im sorry I did not off hand but maybe this will help If this does not help I will have to research it on the web. Good Luck and let me now if it helps at all.

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STATIC/INTERFERENCE


&R=11812445&C=17577363&K=NBy0rr?h=2mv3s7&r=11812445 Your SIRIUS radio contains an FM transmitter that allows it to operate wirelessly through your car FM radio. We have determined that the output of this transmitter exceeds the limits established by the Federal Communications Commission (FCC). As a result, the unit may interfere with the performance of radios operating in areas adjacent to your radio. There are no health or safety concerns associated with this issue.
  • If you listen to your SIRIUS radio wirelessly through your vehicle's FM radio, then please review the solutions listed below and select the one that works best for you. SIRIUS will provide you the best solution at no cost.
  • If you use your SIRIUS radio only when docked in a boombox, or directly connected to your car radio or home stereo using audio cables or a cassette tape adapter, then no interference can occur and no further action is required, provided you have turned off your FM transmitter. To turn off the FM transmitter, first press the MENU button. Use the channel up/down buttons to highlight “FM Transmitter” and push the SELECT button. Use the channel up/down buttons to highlight the "FM On/Off" menu item and then press the SELECT button. Use the up/down buttons to highlight "FM Off" and press the SELECT button. To exit the "FM On/Off" menu, press the MENU button. Use the same procedure to turn off the FM transmitter if you use Solution 1 or Solution 2 below..
Solution 1 - Direct Wired Audio Connection: If your vehicle radio has a “LINE IN” or “AUX IN” jack, you can use a stereo cable to connect directly to your SIRIUS radio. This solution is the easiest to install and provides the best audio performance. Many newer vehicles provide the required audio input jack. It will normally be found on or near the front faceplate of your vehicle’s radio.

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Solution 2 - Cassette Tape Adapter
: If your vehicle has a cassette tape player, you can use a cassette adapter that allows you to play your SIRIUS radio through the cassette portion of your vehicle radio. The adapter slips into your vehicle radio as easily as a cassette tape and provides better performance than a wireless connection. fcc_a_2.jpg


Solution 3 - FM Extender Cable Kit: An FM extender cable will provide a special transmitter antenna that allows you to obtain the best audio performance through your vehicle’s FM radio. This solution is easy to self-install, but does require that an easy-to-hide wire be run in your vehicle so the transmitter antenna can be placed in close proximity to your vehicle’s radio antenna. Using this FM Extender Cable Kit, you will continue to use your SIRIUS radio exactly the same way as you do currently. fcc_a_3.jpg



Solution 4 - FM Direct Adapter with Professional Installation: An FM Direct Adapter provides a wired connection between your SIRIUS radio and your vehicle’s radio. You will continue to listen to your SIRIUS radio through the FM tuner of your car radio, but the FM Direct Adapter eliminates the outside static and interference you sometimes experience when using a wireless FM connection. This solution usually requires professional installation. We will provide a certificate redeemable for installation at an installation center in your area.
fcc_a_4.jpg
Please go to www.sirius.com/optimize and select the solution that works best for you. If you have any questions, please call 1-(877) 635-5130. Detailed instructions will be included with your solution.
You will improve the performance of your SIRIUS radio and reduce the potential for interfering with adjacent radios if you properly tune your FM transmitter. Please see the FM Transmitter Set-Up Tips below for more information.
We are sorry for this inconvenience. We are confident these solutions will allow you to continue to enjoy the great music, news, sports and entertainment that only SIRIUS Satellite Radio can offer with no impact on your radio’s performance.
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SIRIUS SATELLITE RADIO


FM Transmitter Set-Up Tips

To tune your FM transmitter turn off your SIRIUS radio and tune through the FM channels on your vehicle’s radio to locate an FM channel (except 87.7/87.9) that is not broadcasting in your area. If you use an FM channel that is being used by a local broadcaster, it will interfere with the performance of your SIRIUS radio. Once you have located an FM channel that is not being used for broadcasting in your area, save it as a preset on your vehicle radio. This will become your SIRIUS preset. If you’re not sure which FM channels are not being used in your home or travel cities, you can go to www.sirius.com/fmchannel and search for an FM channel based on zip code.
Turn on your SIRIUS radio. In the SETTINGS or MENU on your SIRIUS radio, locate the “FM Frequency” adjustments. Set the channel number on your SIRIUS radio to match the SIRIUS preset on your vehicle radio. Refer to your user guide for detailed instructions on how to do this. The FM transmitter in your SIRIUS radio is automatically set to FM channel 88.1. This may not be the best channel in your area.

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&R=11812445&C=17577363&K=NBy0rr?h=2mv3s7&r=11812445

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