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		Can this GPS be used with some kind of serial usb converter, and is there any special drivers or anything like that to make this work. I have not bought the software yet, just trying to figure out the best setup, and I already have the GPS unit mentioned above.
Also what is the difference between the MacENC and the GPS NavX
	
	
	
	
	
 
 
  	
  	
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Scott Dillon
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CYCA
	
	
 
 
  	
  	
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		You will need to connect the cable mentioned above to your GP31's power/data cable.  The wiring diagram can be found in Fig. 7-20 on page 7-10 of the GP31 users manual:
 GP31 manual 
Use Data 2 RS232 Level output (see page 9-3).
The Keyspan USB to Serial cable can be found here:
 
Keyspan 
(Alternatively, you can solder a Dsub 9 pin connector directly to the power/data cable wires if you like.)
	
 
	
	
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 Jon Longworth
	
	
 
 
  	
  	
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		And if you plan to add more instruments down the road, it might make more sense to use a Miniplex lite which you can connect the Furuno and other instruments (i.e. wind, depth, AIS) to (up to three NMEA inputs and one output) ..
http://www.shipmodul.com/en/miniplex-lite.html
	 
	
	
Scott Dillon
Sydney Australia
North Shore 38
CYCA