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**David M** · 03-08-2009, 13:42

It's okay to switch polarity on a NMEA connection if you suspect the polarity may be wrong. No damage will occur. It will either work or it will not.

03-08-2009, 13:42	#23
David M Moderator Moderator Join Date: Sep 2007 Location: San Francisco Bay Boat: research vessel Posts: 4,660	It's okay to switch polarity on a NMEA connection if you suspect the polarity may be wrong. No damage will occur. It will either work or it will not. __________________ David Where land ends life begins.