Question about Garmin GPSMAP 498C Sounder GPS Receiver

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I have a garmin gpsmap 498, 4 yrs old. I have been loosing satellite reception. I have examined the coax cable- I do not see any issues. Where do I look?

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Had same problem,,, you need to perform an "Auto-Locate" With unit plugged in but not turned on, push the Page and Power buttoms at the same time,,, continue to hold down the buttons until the "I Agree" message appears. Then release the buttons, agree by pushing Enter. The system will then go through an Auto Locate sequence that corrected my problem.

Posted on Sep 02, 2010

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Posted on Jan 02, 2017

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Here it is
It is however really only useful to allow for decent veiw of satelites when the unit is monuted under a the signal shadow of a cabin or below decks. Any GPS will not perform as well if a decent shot of 3 or more satleites is not acheived. I suspect this is what is hampering your device. Using the external antenna mounted to get maximum view of the sky will eliminate any such issues for you.
Please take a moment to rate this solution. heers
regards robotek

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