I bought a 952x on Ebay and I am having a problem. The unit powers up and passes all tests. In tracks and locks on all satellites and DGPS beacons but the Lat/Lon it displays is off a little. Also when I go to the map page it shows that my boat is actually moving when I am in the slip. The coordinates seem to wonder a bit. I swapped it out for my 951x and used all the same hook ups and antennae which according to the installation manual is OK. The unit came with the AN250 combination antenna but I hooked it up to AN150 and the seperate DGPS antennae. I do not think this should make a difference. Do you think that it needs a software upgrade or something else. Thanks in advance. Dr.Mike
definately sounds like a software upgrade to me, the most recent software out for that unit is 3.46/60B check to make sure that is what you have, if not give Navico a call to get the unit serviced. Their number is 1-800-628-4487
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