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RayTech Navigator User’s Guide
A-2
Connecting to Instruments Via an NMEA Cable
This section explains the basics of connecting Navigator to the
NMEA leads of a GPS, an NMEA-equipped instrument, radar, and
an autopilot. These connections are made using a 9-pin NMEA cable
(Figure A-1, Raymarine Part No. E86001), one end of which connects
to your PC’s COM port, the other to the various devices. In addition
to the cable diagram, specific NMEA lead connection assignments are
given for each type of device. Further details are also provided later in
this appendix, in the section “Connecting Specific Instruments and
Devices,” which lists some common manufacturers’ instruments and
explains how to connect them to Navigator. In all cases, you should
also refer to the manual that came with the device you are connecting.
Figure A-1. Raymarine NMEA Connection Cable, Part No. E86001
Data input to computer
Data output from computer
Signal grounds
Connect cable to PC’s COM port