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#10
September 9th 06, 06:29 AM
posted to rec.aviation.owning
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GNS 430 reception problems
On 7-Sep-2006, Kevin Clarke wrote: When running the recv sensitivity test, the KX drops out much later than the GNS. Was the RX sensitivity test done on the bench or in the airplane? How "much later" (in dB)? If it's more than a few dB then the GNS 430 is probably defective. There should be a published specification for receive sensitivity, which will be shown in the Garmin shop service manual if nowhere else. If what you get, with a bench test, does not meet spec then troubleshooting needs to move to internal circuitry. Probably best done by a Garmin authorized repair facility if there is such a thing. Good luck! -Elliott Drucker 
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