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Install Garage & Help Desk You've got the radio, now which cable goes where? Got questions about factory installed radios in your car? Ask any installation or help questions here and someone will get to you soon.

 
 
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Old 01-20-2006, 10:39 AM   #1
tbbucanrs
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Default Ramsey FM10 FM Transmitter with sportster

I can't get this to work. I am trying to broadcast my Sirius Sportster satellite thru the FM10 so I can hear it thru my FM radios throughout my shop area. I have it connected to the FM out in the Sat. unit to the RCA jacks on the transmitter. How do I get this to broadcast?
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Old 01-20-2006, 01:09 PM   #2
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I'm not sure but the FM10 PCB contains dip switches which you have to set to the frequency you wish to broadcast on or else, you have to turn a trimmer.

Also, if no or insufficient antenna length is connected to the antenna connector, the receiver might cut off to protect itself from high SWR.
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Old 01-20-2006, 01:17 PM   #3
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It has a freq. trimmer. It also has a whip ant. that is attached to the board. Do I still need to attach something to the ext. ant. jack?
I can get regular FM broadcasts thru it but not my sat. Do I hook the jack ito the FM out or the audio out from my Sporster?
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Old 01-20-2006, 02:13 PM   #4
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You need to connect the transmitter to the audio-out on your Sportster... The Ramsey converts the regular audio into a frequency modulated signal that your FM radio can pick up.

The FM-out of your Sportster is connected to the transmitter that's built inside your sportster.. It's meant for adding an external antenna or wiring the sporster directly to the antenna jack on an FM radio.... It already IS an FM modulated signal.. Since your Ramsay transmitter wants an audio signal, the FM signal that comes from the FM out jack won't work with your transmitter..
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Old 01-20-2006, 02:38 PM   #5
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I still can't hear my Sat. but can hear terestrial radio.
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Old 01-20-2006, 06:46 PM   #6
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If memory serves me correctly, the Ramsey FM10 isn't that great of a transmitter. It doesn't have PLL circuitry so it's very susceptible to drifting off-frequency and the audio quality was never that great.

I'd double check to make sure you're running it on a very clear frequency, as it's really not powerful enough to transmit over anything.
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Old 01-22-2006, 09:10 AM   #7
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Quote:
Originally Posted by tbbucanrs
It has a freq. trimmer. It also has a whip ant. that is attached to the board. Do I still need to attach something to the ext. ant. jack?
I can get regular FM broadcasts thru it but not my sat. Do I hook the jack ito the FM out or the audio out from my Sporster?
The FM10 does have a frequency-drift problem since it doesn't use the PLL synthesizer (with dipswitches) that the later Ramseys use. The audio quality of the FM10, however, is quite acceptable in my opinion.

I would tune an FM radio to an unused frequency in your area. Put it near the Ramsey. Feed known good audio from the Sportster's audio output to the audio input of the Ramsey. Then, slowly tune the transmitting frequency adjustment on the Ramsey's circuit board--if it's working you should eventually stumble on the frequency your FM radio is tuned to.

Also, the Ramsey has left and right audio input level adjustments. Make sure they're not too low--try setting them about halfway at first. And set your Sportster's audio output level to medium. If you boost any of these too high, you'll introduce distortion.

Do this after the Ramsey has reached operating temperature, since the transmitting frequency of this model does drift while it's warming up. But it's fairly stable once it is warm (perhaps after 1/2 hour).
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Old 01-23-2006, 07:13 PM   #8
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Default Sportster

Just attach an earphone to the FMout on the sportster cut the earphone part off and separate the two wires like rabbit ears ,the ramsey is not so hot of a transmitter compared to the one built into the Sportster.Make sure you are on a clear frequency with no stations.
If your stereo in your shop is connected to a antenna on the roof its not going to workie.
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