Garmin Forerunner 225, Technical Reference

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iv Technical Reference for Garmin NMEA 2000 Products
Table of Contents
Table of Contents
Introduction ....................................................................................................................................................................................... iii
Contact Garmin ...................................................................................................................................................................................................... iii
NMEA 2000 Fundamentals ................................................................................................................................................................ 1
Garmin NMEA 2000 Device Overview ................................................................................................................................................................... 1
NMEA 2000 Components ........................................................................................................................................................................................................ 2
Building a NMEA 2000 Network ............................................................................................................................................................................. 3
Linear Backbone Construction ................................................................................................................................................................................................ 4
Power Connection and Distribution ......................................................................................................................................................................................... 5
Examples ................................................................................................................................................................................................................................ 5
Proper Termination .................................................................................................................................................................................................................. 7
Cable Length and Device Limits ............................................................................................................................................................................................. 8
Existing NMEA 2000 Installation Considerations ................................................................................................................................................... 8
NMEA 2000 Glossary ............................................................................................................................................................................................. 8
General NMEA 2000 Data Type Requirements ................................................................................................................................ 9
NMEA 2000-Certified Display Device PGN Information ............................................................................................................... 13
GPSMAP 4000/5000 Series Chartplotters ............................................................................................................................................................................ 13
GMI 10 .................................................................................................................................................................................................................................. 14
NMEA 2000-Certified Sensor PGN Information ............................................................................................................................ 15
GPS 17x (GPS Antenna) ..................................................................................................................................................................................... 15
GFS 10 (Garmin Fuel Sensor) ............................................................................................................................................................................. 15
Intelliducer (Intelligent Depth Transducer–Transom Mount and Thru-Hull) ......................................................................................................... 15
GWS 10 (Garmin Wind Sensor) ........................................................................................................................................................................... 16
GHP 10 (Marine Autopilot System) ...................................................................................................................................................................... 16
CCU ...................................................................................................................................................................................................................................... 16
GHC 10 ................................................................................................................................................................................................................................. 16
GXM 51 ................................................................................................................................................................................................................ 17
VHF 200 ............................................................................................................................................................................................................... 17
NMEA 2000-Certified Sensor Configuration Information ............................................................................................................. 18
GPS 17x (GPS Antenna) ..................................................................................................................................................................................... 18
Enabling and Disabling WAAS (Wide Area Augmentation System)/EGNOS (Euro Geostationary Navigation Overlay Service) ......................................... 18
Setting the Speed Filter ......................................................................................................................................................................................................... 18
Refreshing GPS Satellite Acquisition .................................................................................................................................................................................... 18
Restoring Factory Default Settings ....................................................................................................................................................................................... 18
GFS 10 (Garmin Fuel Sensor) ............................................................................................................................................................................. 19
Using Fuel-Flow Information With a Garmin Chartplotter or Marine Instrument ................................................................................................................... 19
Changing the Fuel Economy Source .................................................................................................................................................................................... 19
Using Fuel-Level Information With a Garmin Chartplotter or Marine Instrument .................................................................................................................. 19
Configuring Engine and Tank Information ............................................................................................................................................................................. 20
Troubleshooting Fuel Gauge Type ........................................................................................................................................................................................ 20
Troubleshooting the Fuel-Flow Rate ..................................................................................................................................................................................... 20
Restoring Factory Default Settings ....................................................................................................................................................................................... 20
Intelliducer (Intelligent Depth Transducer–Transom Mount and Thru-Hull) ......................................................................................................... 21
Setting the Keel Offset .......................................................................................................................................................................................................... 21
GWS 10 (Garmin Wind Sensor) ........................................................................................................................................................................... 22
Configuring the Wind Angle Offset (Orientation) ................................................................................................................................................................... 22
Configuring the Wind Speed Filter ........................................................................................................................................................................................ 22
Configuring the Wind Angle Filter .......................................................................................................................................................................................... 22
Configuring the GWS 10 if the Filter and Offset Selections Are Not Displayed .................................................................................................................... 22
NMEA 2000 Checklist ..................................................................................................................................................................... 25