The GP1670F/GP1870F offers a great value, especially with the current rebate.
For those existing customers that purchased one of these great units; Furuno has released a free software upgrade to add new features to these units.
You will find the software and instructions under the product page of the unit(s). Here is a direct link to some of the exciting enhancements offered by this new (FREE) software upgrade.
http://furunousa.com/ProductDocuments/G ... ftware.pdf
For those existing customers that purchased one of these great units; Furuno has released a free software upgrade to add new features to these units.
You will find the software and instructions under the product page of the unit(s). Here is a direct link to some of the exciting enhancements offered by this new (FREE) software upgrade.
http://furunousa.com/ProductDocuments/G ... ftware.pdf
