[GPSNavX]

Covered in the MacENC help accessed on the "Help" menu or linked here..

http://www.gpsnavx.com/MacENC/help/connectinggps.htm

1) Install Keyspan driver as linked above

2) Plug in Keyspan adapter

3) Re-start MacENC

4) Select "Connect" on the "GPS" menu

5) Select Port KeySerial1, Rate most likely 4800, Type Other

The UTC field in the GPS panel will update when the connection is made.

It is important that you are connecting to NMEA-0183 data on the Raymarine.