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Author Topic:   Garmin GPSMAP 640
Bokeefe posted 05-14-2010 07:53 AM ET (US)   Profile for Bokeefe   Send Email to Bokeefe  
[Seeks] any feedback on the Garmin 640.
bluewaterpirate posted 05-14-2010 01:51 PM ET (US)     Profile for bluewaterpirate  Send Email to bluewaterpirate     
It's a good unit that can be used on the water or road. Maps are great ... can use G2 Vision Charts plus has XM Weather and mucic functionality. It is a full featured mobile chartplotter.


The only draw back is it is suspectable to corrosion on the water when placed in the dash mount cradle. It meets IPX 7 standards in regards to waterproofing.

Garmin does not hide the corrosion issue. They have a warning on their website under maunals for the 640. It tells you how to handle the problem.

http://www8.garmin.com/manuals/GPSMAP640_CorrosionWarning.pdf

Tom

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