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Technical Reference

for Garmin®

NMEA 2000® Products

medium, for any purpose without the express prior written consent of Garmin. Garmin hereby grants permission to download a single copy of this manual onto a hard drive or

other electronic storage medium to be viewed and to print one copy of this manual or of any revision hereto, provided that such electronic or printed copy of this manual must

contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited.

Information in this document is subject to change without notice. Garmin reserves the right to change or improve its products and to make changes in the content without

obligation to notify any person or organization of such changes or improvements. Visit the Garmin Web site (www.garmin.com) for current updates and supplemental

information concerning the use and operation of this and other Garmin products.

Garmin

, the Garmin logo, and GPSMAP

are trademarks of Garmin Ltd. or its subsidiaries, registered in the USA and other countries. GFS™, GWS™, GHP™, GXM™,

GFL™, GBT™, GST™, GMI™, GRA™, GET™, GHC™, Intelliducer™, are trademarks of Garmin Ltd. or its subsidiaries. These trademarks may not be used without the

express permission of Garmin.

NMEA 2000

and the NMEA 2000 logo are registered trademarks of the National Maritime Electronics Association.

Technical Reference for Garmin NMEA 2000 Products iii

Introduction

A NMEA 2000 network consists of connected NMEA 2000 devices that communicate using basic plug-and-play functionality. This technical

reference provides basic NMEA 2000 component identication, basic NMEA 2000 network-building instructions, and a list of NMEA 2000-

specic data used with Garmin NMEA 2000-certied displays and sensors.

• The rst section, NMEA 2000 Fundamentals, provides descriptions of the NMEA 2000 connectors and cables sold by Garmin, and the

fundamental concepts of installing a NMEA 2000 network on your boat.

• The second section, General NMEA 2000 Data Type Requirements, provides a table to help you determine which NMEA 2000 sensors

provide the particular data type you want.

• The last two sections provide Parameter Group Number (PGN) information for Garmin chartplotters and marine instruments as well as

conguration and PGN information for Garmin NMEA 2000 sensors. These sections contain PGN and conguration information for the

following products:

◦ GPSMAP

4000/5000/6000/7000 Series chartplotters

◦ GPSMAP 700 Series chartplotters

◦ GPSMAP 4x1/5x1/5x6 Series chartplotters

◦ GMI

™

◦ GPS 17x

◦ GFS

™

◦ GRA

™

◦ GET

™

◦ GFL

™

◦ GBT

™

◦ GST

™

◦ Intelliducers

™

◦ GWS

™

◦ GHP

™

10 (CCU and GHC

™

10)

◦ GXM

™

◦ VHF 200/300

◦ AIS 300

◦ AIS 600

PGN information is also included in the installation instructions provided with the Garmin NMEA 2000-certied device. Sensor conguration 

information is also included in a provided with each Garmin NMEA 2000-certied sensor. Sensor Conguration Guide

• At the end is a checklist. Use this checklist when installing a NMEA 2000 network to be sure you have correctly followed installation-

critical procedures.

Contact Garmin

If you experience difculty installing a NMEA 2000 network, or have other questions about NMEA 2000-certied Garmin devices, contact

Garmin Product Support or a certied NMEA 2000 technician. In the USA, go to www.garmin.com/support, or contact Garmin USA by phone

at (913) 397-8200 or (800) 800-1020.

In the UK, contact Garmin (Europe) Ltd. by phone at 0808 2380000.

In Europe, go to www.garmin.com/support and click for in-country support information, or contact Garmin (Europe) Ltd. by 

phone at +44 (0) 870.8501241.

iv Technical Reference for Garmin NMEA 2000 Products

Table of Contents

Introduction ....................................................................................................................................................................................... iii

Contact Garmin ......................................................................................................................................................................................................iii

NMEA 2000 Fundamentals ................................................................................................................................................................ 1

Garmin NMEA 2000 Device Overview ................................................................................................................................................................... 1

Building a NMEA 2000 Network ............................................................................................................................................................................. 3

Existing NMEA 2000 Installation Considerations ................................................................................................................................................... 8

NMEA 2000 Glossary ............................................................................................................................................................................................. 8

General NMEA 2000 Data Type Requirements ................................................................................................................................ 9

NMEA 2000-Certied Display Device PGN Information ............................................................................................................... 13

NMEA 2000-Certied Sensor PGN Information ............................................................................................................................ 18

GPS 17x (GPS Antenna) ..................................................................................................................................................................................... 18

GFS 10 (Garmin Fuel Sensor) ............................................................................................................................................................................. 18

GRA 10 (Garmin Rudder Angle Adapter) ............................................................................................................................................................. 18

GET 10 (Garmin Engine Tilt Adapter) .................................................................................................................................................................. 18

GFL 10 (Garmin Fluid Level Adapter) .................................................................................................................................................................. 19

GBT 10 (Garmin Bennett Trim Tab Adapter) ........................................................................................................................................................ 19

GST 10 (Garmin Water Speed and Temperature Adapter) .................................................................................................................................. 19

Intelliducer (Intelligent Depth Transducer–Transom Mount and Thru-Hull) ......................................................................................................... 19

GWS 10 (Garmin Wind Sensor) ........................................................................................................................................................................... 20

GHP 10 (Marine Autopilot System) ...................................................................................................................................................................... 20

GXM 51 ................................................................................................................................................................................................................ 21

VHF 200 ............................................................................................................................................................................................................... 21

VHF 300 ............................................................................................................................................................................................................... 21

AIS 300 ................................................................................................................................................................................................................ 22

AIS 600 ................................................................................................................................................................................................................ 22

NMEA 2000-Certied Sensor Conguration Information ............................................................................................................. 23

GRA 10 (Garmin Rudder Angle Adapter) ............................................................................................................................................................. 26

Restoring Factory Default Settings ...................................................................................................................................................................... 32

GBT 10 (Garmin Bennett Trim Tab Adapter) ........................................................................................................................................................ 32

GST 10 (Garmin Water Speed and Temperature Adapter) .................................................................................................................................. 33

Intelliducer (Intelligent Depth Transducer–Transom Mount and Thru-Hull) ......................................................................................................... 36

NMEA 2000 Checklist ......................................................................................................................................................................................... 37

Technical Reference for Garmin NMEA 2000 Products 1

NMEA 2000 Fundamentals

A NMEA 2000 network is made of connected NMEA 2000 devices that communicate using basic plug-and-play functionality.

If your boat already contains a NMEA 2000 network and you would like to add Garmin NMEA 2000 components, see .page 8

For a glossary of commonly used NMEA 2000 terms, see .page 8

After you have installed your NMEA 2000 network, use the checklist on to verify the installation.page 37

Garmin NMEA 2000 Device Overview

Garmin uses NMEA 2000 micro connectors on units, sensors, and T-connectors that are compatible with other NMEA 2000 micro connectors,

cables, and NMEA 2000-compatible devices. Garmin sensors may be packaged with a drop cable and a T-connector. Garmin displays may also

include additional NMEA 2000 components (such as a power cable). The NMEA 2000 components included with a Garmin sensor or display

are listed in the product documentation. A diagram on the product box shows which NMEA 2000 components are included.

Sample Box Diagram (GFS 10)

In the sample box diagram, a complete NMEA 2000 network is shown, and the parts included with the sensor are shaded. In this example, a

T-connector is included with a Garmin GFS 10 fuel sensor. A NMEA 2000 power cable, terminators, an additional drop/backbone cable, and

additional T-connectors are not included with a GFS 10 fuel sensor. The GFS 10 fuel sensor, as shown by the shaded components in the box

diagram, is intended to be connected to an existing NMEA 2000 network on your boat. If you do not have a NMEA 2000 network on your boat,

this guide will help you assemble one.

2 Technical Reference for Garmin NMEA 2000 Products

NMEA 2000 Fundamentals

NMEA 2000 Components

The main components of a NMEA 2000 network are T-connectors, terminators, backbone/drop cables, and a power cable. The following cables,

connectors, and terminators are sold by Garmin, and as of January 2009, they are NMEA 2000 approved. NMEA 2000-approved cables sold by

Garmin feature the NMEA 2000 logo on the tag with the part number.

T-connector Male Terminator Female Terminator In-line Terminator

010-11078-00 (Garmin part number) 010-11080-00 010-11081-00 010-11096-00

Power Cable

010-11079-00 (2 meters [6.5 feet]) (3 A fuse included)

Backbone/Drop Cable

305 millimeters (1 foot) 010-11076-03

2 meters (6.5 feet) 010-11076-00

6 meters (20 feet) 010-11076-01

10 meters (33 feet) (backbone only) 010-11076-02

30 meter spool (98.5 feet) (backbone only) 010-11171-01

Specialty Cable/Connectors

Right-angle drop-cable, 2 meters (6.5 feet) (pictured) 010-11089-00

Field-installable connector - Male* (not pictured) 010-11094-00

Field-installable connector - Female* (not pictured) 010-11095-00

NMEA 2000 network power switch (not pictured) K00-00368-00

NMEA 2000 in-line lightning arrestor** (not pictured) 010-11171-02

* The eld-installable connectors are used to create custom-length drop cables and custom-length backbone extension cables. The eld-installable connectors can be used to

shorten any Garmin NMEA 2000 drop/backbone cable.

** The gray in-line lightning arrestor is designed to help prevent damage due to nearby lightning strikes, but it is not able to protect against direct lightning strikes. Garmin is

not responsible for lightning-strike related damage.

All male/female connections are interchangeable. Ensure that the T-connectors are used properly when constructing your NMEA 2000 network. Note:

See .page 4

Technical Reference for Garmin NMEA 2000 Products 3

NMEA 2000 Fundamentals

Building a NMEA 2000 Network

The main communication channel of a NMEA 2000 network is a backbone to which your NMEA 2000 devices connect. Each NMEA 2000

device connects to the backbone with a T-connector. The NMEA 2000 backbone must be connected to power, and terminators must be installed

at both ends for the network to function correctly.

When you design a NMEA 2000 network, start by creating a diagram of the network. When creating the diagram, be as detailed as possible:

• Include all of the devices you intend to connect to your network

• Note the approximate location of the backbone and devices on your boat

• Measure the distances between devices and the backbone, as well as the overall length of the backbone

• Note the power consumption of each device (Load Equivalency Number)

Sample NMEA 2000 Network

Ignition or

in-line switch

T-connector

Male

terminator

Power cable

Battery - 12 Vdc

Backbone extension cable

Female

terminator

Drop cable

Intelligent transducer

Fuel sensor Marine instrument

Chartplotter

NMEA 2000 backbone

Fuse

This diagram illustrates the NMEA 2000 data connections to each device or sensor. Some devices or sensors can be powered by the NMEA Note:

2000 network; others may require a separate power connection. Consult the installation instructions for each device you connect to your NMEA 2000

network to be sure you supply power to the device appropriately.

When building a NMEA 2000 network, you must follow certain rules to make sure your NMEA 2000 network functions correctly. Be sure to

understand the following concepts:

• Linear backbone construction ( )page 4

• Power connection and distribution ( )page 5

• Proper termination ( )page 7

• Cable length and device limits ( )page 8

4 Technical Reference for Garmin NMEA 2000 Products

NMEA 2000 Fundamentals

Linear Backbone Construction

Use the NMEA 2000 T-connectors to construct your NMEA 2000 backbone, and extend the backbone with appropriate lengths of backbone

cable if necessary. Use one T-connector per device. Use the sides of the T-connector to construct the backbone of the NMEA 2000 network, and

use the top of the T-connector to attach a NMEA 2000 device. By using only the sides of the T-connectors to construct the backbone, you create

a linear construction to your NMEA 2000 network. T-connectors can be separated by backbone cables or connected directly together.

Although the male and female connectors on the T-connectors and backbone cables will t on all sides of a T-connector, it is very important to

use the top of the T-connector only to attach NMEA 2000 devices, not to attach other T-connectors or backbone cables.

Correct Linear Backbone Construction

CORRECT

To NMEA 2000 devices

and power

Male

terminator

Female

terminator

Backbone extension cable

Incorrect Linear Backbone Construction

INCORRECT

To NMEA 2000 devices

and power

Male

terminator

(also installed

incorrectly)

Male

terminator

T-connector

installed incorrectly

Backbone extension cable

6 Technical Reference for Garmin NMEA 2000 Products

NMEA 2000 Fundamentals

End-powered NMEA 2000 network, incorrectly designed:

INCORRECT

NMEA 2000-

compliant device

LEN = 4

NMEA 2000-

compliant device

LEN = 5

NMEA 2000-

compliant device

LEN = 7

Power cable

Length = 2 m

Drop cable

Length = 2 m

Drop cable

Length = 6 m

Backbone cable

Length = 20 m

Backbone cable

Length = 10 m

Drop cable

Length = 6 m

When the voltage drop formula is applied to this example, we see

that the voltage drop is greater than 3.0 Vdc, so this NMEA 2000

network will not function correctly when powered at the end.

Voltage Drop = 0.053 × (2 + 20 + 10 + 6) × (4 + 5 + 7) × 0.1 = 3.22 Vdc

Distance Network load

Cable

resistance

This NMEA 2000 network must be redesigned with the power connected to the center of the network in order to function correctly.

Middle-powered NMEA 2000 network, correctly designed:

CORRECT

NMEA 2000-

compliant device

LEN = 4

NMEA 2000-

compliant device

LEN = 5

NMEA 2000-

compliant device

LEN = 7

Power cable

Length = 2 m

Drop cable

Length = 2 m

Backbone cable

Length = 10 m

Backbone cable

Length = 20 m

Drop cable

Length = 6 m

Drop cable

Length = 6 m

When the NMEA 2000 network is redesigned with the power source in the center, you calculate the voltage drop in both directions. If the

T-connector to which you connect the power source is connected directly to another T-connector (as shown in this example), use the LEN from

that device as part of the calculation for both directions.

Voltage Drop Left = 0.053 × (2 + 20 + 2) × (4 + 5) × 0.1 = 1.145 Vdc

Voltage Drop Right = 0.053 × (2 + 10 + 6) × (5 + 7) × 0.1 = 1.145 Vdc

Distance Network load

Cable

resistance

When the voltage drop formula is applied to both the left and right

sides of the power source in this example, we see that the voltage drop

is less than 3.0 Vdc on each side, so the NMEA 2000 network will

function correctly.

The equation and examples provide conservative estimates for calculating voltage drop.Note:

Technical Reference for Garmin NMEA 2000 Products 7

NMEA 2000 Fundamentals

Proper Termination

You must install terminators at the ends of your NMEA 2000 backbone for it to function correctly. You have two options when installing

terminators on your NMEA 2000 network.

1. Typical Terminators

If your NMEA 2000 network is built with correct linear backbone construction, use one female terminator and one male terminator. Install

the terminators at opposite ends of your NMEA 2000 network.

Using Standard Terminators

To NMEA 2000 devices

and power

Male

terminator

Female

terminator Backbone extension cable

2. In-line Terminators

If one or both of the NMEA 2000 devices at opposite ends of your NMEA 2000 network are separated from the rest of the NMEA 2000

network by a length of backbone cable, and the typical T-connector/drop cable/terminator combination is not feasible or is too bulky for the

area, use an in-line terminator instead of the nal T-connector on the backbone. Connect the nal device to the in-line terminator with the

appropriate length of drop cable, or connect the nal device directly to the in-line terminator, without a drop cable.

Using an Inline Terminator

To power

Female

terminator

Backbone

extension

cable Inline

terminator

To a NMEA

2000 device

Inline Termination

Standard Termination

To the nal NMEA 2000 device in the

backbone on this end. Connect the in-line

terminator directly to a NMEA 2000 device,

or use a drop cable up to 6 m (20 ft.) long.

Do not connect additional T-connectors or

terminators.

Do not use more than two terminators in a NMEA 2000 network. CautioN:

The in-line terminator connects to the NMEA 2000 backbone with a male connector, and to the nal NMEA 2000 device with a female Note:

connector. Because of this, you can only use one in-line terminator on a NMEA 2000 network.

Technical Reference for Garmin NMEA 2000 Products 9

General NMEA 2000 Data Type Requirements

Each NMEA 2000-certied sensor provides unique information to the NMEA 2000-certied display devices (such as a GPSMAP 4000/5000

series chartplotter or a GMI 10) on the NMEA 2000 network. The data you can view on your display device depends on the sensors you have

installed and congured. Refer to the following table for a list of data types that you can view on a display device; specic NMEA 2000 PGN

information required to view or calculate that data type; and the NMEA 2000 sensor that typically provides required PGN information. In some

cases, more than one sensor is necessary or a specic combination of sensors may provide more-precise information. For more about PGN

information, see .page 18

Category Data Type PGN Data Required Typical Sender

Engine Information Battery Voltage 127489 - Eng Dynamic NMEA 2000-compatible engine

Fuel Flow Rate 127489 - Eng Dynamic Fuel Flow Sensor

Hours 127489 - Eng Dynamic NMEA 2000-compatible engine

Oil Pressure 127489 - Eng Dynamic NMEA 2000-compatible engine

Engine RPM 127488 - Engine Rapid NMEA 2000-compatible engine

Temperature 127489 - Eng Dynamic NMEA 2000-compatible engine

Coolant Pressure 127489 - Eng Dynamic NMEA 2000-compatible engine

Fuel Pressure 127489 - Eng Dynamic NMEA 2000-compatible engine

Oil Temperature 127489 - Eng Dynamic NMEA 2000-compatible engine

Boost Pressure 127488 - Engine Rapid NMEA 2000-compatible engine

Trim 127488 - Engine Rapid NMEA 2000-compatible engine

Rudder Angle 127245 - Rudder Rudder Angle Sensor

Bow Tabs 130576 - Small Craft Status Trim Tab Sensor

Trim Tabs 130576 - Small Craft Status Trim Tab Sensor

Fuel Information Total Fuel Flow Rate 127489 - Eng Dynamic Fuel Flow Sensor

Total Fuel Onboard 127489 - Eng Dynamic Fuel Flow Sensor

Fuel Economy 127489 - Eng Dynamic (GPS Speed or Water Speed)

Note: The Fuel Economy data type is congurable,

based on the fuel speed source

Fuel Flow Sensor and Speed Sensor

Cruising Range 127489 - Eng Dynamic (GPS Speed or Water Speed) Fuel Flow Sensor and Speed Sensor

Fuel Level 127505 - Fluid Level Fuel Level Sensor

Tank 1 127505 - Fluid Level Fuel Level Sensor

Tank 2 127505 - Fluid Level Fuel Level Sensor

Navigation

Information

Course Made Good 129026 - COG/SOG, 129029 - GNSS Position,

129284 - Nav Data, 129285 - Route, and

129283 - XTE

Garmin Chartplotter and GPS Antenna

Distance Made Good 129026 - COG/SOG, 129029 - GNSS Position,

129284 - Nav Data, and 129285 - Route

Garmin Chartplotter and GPS Antenna

Waypoint Name 129284 - Nav Data or 129285 - Route Garmin Chartplotter

Bearing to Waypoint 129284 - Nav Data Garmin Chartplotter and GPS Antenna

Distance to Waypoint 129284 - Nav Data Garmin Chartplotter and GPS Antenna

Off Course 129283 - XTE Garmin Chartplotter and GPS Antenna

Desired COG 129284 - Nav Data Garmin Chartplotter and GPS Antenna

Heading 127250 - Vessel Heading Heading Sensor

Course Over Ground 129026 - COG/SOG and 129029 - GNSS Position GPS Antenna

(Continued)

12 Technical Reference for Garmin NMEA 2000 Products

General NMEA 2000 Data Type Requirements

Category Data Type PGN Data Required Typical Sender

Water Depth 128267 - Water Depth Depth Transducer

Temperature 130312 - Temp, 130310 - Envir Param Old, or

130311 - Envir Param

Water Temperature Sensor

Speed 128259 - Water Speed Water Speed Sensor

Set 129026 - COG/SOG, 129029 - GNSS Position,

128259 - Water Speed, and 127250 - Vessel Heading

GPS Antenna, Water Speed Sensor, and

Heading Sensor

Drift 129026 - COG/SOG, 129029 - GNSS Position,

128259 - Water Speed, and 127250 - Vessel Heading

GPS Antenna, Water Speed Sensor, and

Heading Sensor

System Time Of Day 129026 - COG/SOG and 129029 - GNSS Position GPS Antenna

Date 129026 - COG/SOG and 129029 - GNSS Position GPS Antenna

Timer None None

Unit Voltage None None

Technical Reference for Garmin NMEA 2000 Products 15

NMEA 2000-Compatible Display Device PGN Information

GPSMAP 700 Series Chartplotters

Receive Transmit

059392 ISO Acknowledgment 059392 ISO Acknowledgment

059904 ISO Request 059904 ISO Request

060928 ISO Address Claim 060928 ISO Address Claim

126208 NMEA - Command/Request/Acknowledge Group Function 126208 NMEA - Command/Request/Acknowledge Group Function

126464 Transmit/Receive PGN List Group Function 126464 Transmit/Receive PGN List Group Function

126996 Product Information 126996 Product Information

127245 Rudder 127250 Vessel Heading

127250 Vessel Heading 127258 Magnetic Variance

127488 Engine Parameters - Rapid Update 128259 Speed - Water Referenced

127489 Engine Parameters - Dynamic 128267 Water Depth

127493 Transmission Parameters - Dynamic 129025 Position, Rapid Update

127498 Engine Parameters - Static 129026 COG/SOG Rapid Update

127505 Fluid Level 129029 GNSS - Position Data

128259 Speed - Water Referenced 129283 Cross Track Error

128267 Water Depth 129284 Navigation Data

129038 AIS Class A Position Report 129285 Navigation - Route/WP information

129039 AIS Class B Position Report 129539 GNSS DOPs

129040 AIS Class B Extended Position Report 129540 GNSS Sats in View

129794 AIS Class A Static and Voyage Related Data 130306 Wind Data

129798 AIS SAR Aircraft position report

129799 Radio Frequency/Mode/Power

129802 AIS Safety Related Broadcast Message

129808 DSC Call Information

130306 Wind Data

130576 Small Craft Status

130310 Environmental Parameters

130311 Environmental Parameters (Obsolete)

130312 Temperature

130313 Humidity

130314 Actual Pressure

16 Technical Reference for Garmin NMEA 2000 Products

NMEA 2000-Compatible Display Device PGN Information

GPSMAP 4x1/5x1 Series Chartplotters

Receive Transmit

059392 ISO Acknowledgment 059392 ISO Acknowledgment

059904 ISO Request 059904 ISO Request

060928 ISO Address Claim 060928 ISO Address Claim

126208 NMEA - Command/Request/Acknowledge Group Function 126208 NMEA - Command/Request/Acknowledge Group Function

126464 Transmit/Receive PGN List Group Function 126464 Transmit/Receive PGN List Group Function

126996 Product Information 126996 Product Information

127250 Vessel Heading 127250 Water Depth

127488 Engine Parameters - Rapid Update 128259 Speed - Water Referenced

127489 Engine Parameters - Dynamic 128267 Water Depth

127505 Fluid Level 129025 Position, Rapid Update

128259 Speed - Water Referenced 129026 COG/SOG Rapid Update

128267 Water Depth 129029 GNSS - Position Data

129038 AIS Class A Position Report 129283 Cross Track Error

129039 AIS Class B Position Report 129284 Navigation Data

129040 AIS Class B Extended Position Report 129285 Navigation - Route/WP information

129794 AIS Class A Static and Voyage Related Data 129539 GNSS DOPs

129799 Radio Frequency/Mode/Power 129540 GNSS Sats in View

129808 DSC Call Information 130306 Wind Data

130306 Wind Data

130310 Environmental Parameters

130311 Environmental Parameters (Obsolete)

130312 Temperature

130313 Humidity

130314 Actual Pressure

Technical Reference for Garmin NMEA 2000 Products 17

NMEA 2000-Certied Sensor PGN Information

GMI 10

Receive Transmit

059392 ISO Acknowledgment 059392 ISO Acknowledgment

059904 ISO Request 059904 ISO Request

060928 ISO Address Claim 060928 ISO Address Claim

126208 NMEA - Command/Request/Acknowledge Group Function 126208 NMEA - Command/Request/Acknowledge Group Function

126464 Transmit/Receive PGN List Group Function 126464 Transmit/Receive PGN List Group Function

126992 System Time 126996 Product Information

126996 Product Information

127250 Vessel Heading

127488 Engine Parameters - Rapid Update

127488 Boost Pressure

127489 Coolant Pressure

127489 Fuel Pressure

127489 Oil Temperature

127489 Engine Parameters - Dynamic

127505 Fluid Level

128259 Speed - Water Referenced

128267 Water Depth

129025 Position - Rapid Update

129026 COG & SOG - Rapid Update

129029 GNSS Position Data

129044 Datum

129283 Cross Track Error

129284 Navigation Data

129285 Navigation - Route/WP information

129539 GNSS DOPs

129540 GNSS Sats in View

130306 Wind Data

130310 Environmental Parameters

130311 Environmental Parameters

130312 Temperature

130313 Humidity

130314 Actual Pressure

Technical Reference for Garmin NMEA 2000 Products 19

NMEA 2000-Certied Sensor PGN Information

Transmit Receive

126464 Transmit/Receive PGN List Group Function 126208 NMEA - Command/Request/Acknowledge Group Function

126996 Product Information

127488 Engine Parameters - Rapid Update

GFL 10 (Garmin Fluid Level Adapter)

Transmit Receive

059392 ISO Acknowledgment 059392 ISO Acknowledgment

060928 ISO Address Claim 059904 ISO Request

126208 NMEA - Command/Request/Acknowledge Group Function 060928 ISO Address Claim

126464 Transmit/Receive PGN List Group Function 126208 NMEA - Command/Request/Acknowledge Group Function

126996 Product Information

127505 Fluid Level

GBT 10 (Garmin Bennett Trim Tab Adapter)

Transmit Receive

059392 ISO Acknowledgment 059392 ISO Acknowledgment

060928 ISO Address Claim 059904 ISO Request

126208 NMEA - Command/Request/Acknowledge Group Function 060928 ISO Address Claim

126464 Transmit/Receive PGN List Group Function 126208 NMEA - Command/Request/Acknowledge Group Function

126996 Product Information

130576 Small Craft Status

GST 10 (Garmin Water Speed and Temperature Adapter)

Transmit Receive

059392 ISO Acknowledgment 059392 ISO Acknowledgment

060928 ISO Address Claim 059904 ISO Request

126208 NMEA - Command/Request/Acknowledge Group Function 060928 ISO Address Claim

126464 Transmit/Receive PGN List Group Function 126208 NMEA - Command/Request/Acknowledge Group Function

126996 Product Information

128259 Speed - Water Referenced

130312 Temperature

Intelliducer (Intelligent Depth Transducer–Transom Mount and Thru-Hull)

Transmit Receive

059392 ISO Acknowledgement 059392 ISO Acknowledgement

060928 ISO Address Claim 059904 ISO Request

126208 NMEA–Command/Request/Acknowledge Group Function 060928 ISO Address Claim

126464 Transmit/Receive PGN List Group Function 126208 NMEA–Command/Request/Acknowledge Group Function

126996 Product Information

128267 Water Depth

130312 Temperature

Technical Reference for Garmin NMEA 2000 Products 21

NMEA 2000-Certied Sensor Conguration Information

GXM 51 (XM Weather and Radio - North America Only)

Transmit Receive

059392 ISO Acknowledgment 059392 ISO Acknowledgment

060928 ISO Address Claim 059904 ISO Request

126208 NMEA - Command/Request/Acknowledge Group

Function

060928 ISO Address Claim

126464 Transmit/Receive PGN List Group Function 126208 NMEA - Command/Request/Acknowledge Group Function

126996 Product Information

VHF 200

Transmit Receive

059392 ISO Acknowledgment 059392 ISO Acknowledgment

060928 ISO Address Claim 059904 ISO Request

126208 NMEA Request/Command/Acknowledge Group

Function

060928 ISO Address Claim

126464 PGN List 126208 NMEA - Command/Request/Acknowledge Group Function

126996 Product Information 129026 COG (course over ground) and SOG (speed over ground) - Rapid

Update

129799 Radio Frequency/Mode/Power

129808 DSC Call Information 129029 GNSS (Global Navigation Satellite System) Position Data

VHF 300

Receive Transmit

059392 ISO Acknowledgment 059392 ISO Acknowledgment

059904 ISO Request 060928 ISO Address Claim

060928 ISO Address Claim 126208 NMEA Request/Command/Acknowledge Group Function

126208 NMEA - Command/Request/Acknowledge Group

Function

126464 PGN List

129026 COG (course over ground) and SOG (speed over

ground) - Rapid Update

126996 Product Information

129029 GNSS (Global Navigation Satellite System) Position

Data

129038 AIS Class A Position Report

129039 AIS Class B Position Report 129040 AIS Class B Extended Position Report

129794 AIS Class A Static and Voyage Related Data 129798 AIS SAR Aircraft Position Report

129808 DSC Call Information 129799 Radio Frequency/Mode/Power

129799 Radio Frequency/Mode/Power

129808 DSC Call Information

22 Technical Reference for Garmin NMEA 2000 Products

NMEA 2000-Certied Sensor Conguration Information

AIS 300

Receive Transmit

059392 ISO Acknowledgment 059392 ISO Acknowledgment

059904 ISO Request 060928 ISO Address Claim

060928 ISO Address Claim 126208 NMEA Request/Command/Acknowledge Group Function

126208 NMEA - Command/Request/Acknowledge Group

Function

126464 PGN List

126992 System Time 126996 Product Information

129038 AIS Class A Position Report

129039 AIS Class B Position Report

129040 AIS Class B Extended Position Report

129794 AIS Class A Static and Voyage Related Data

129798 AIS SAR Aircraft Position Report

129802 AIS Safety Related Broadcast Message

129809 AIS Class B “CS” Static Data Report, Part A

129810 AIS Class B “CS” Static Data Report, Part B

AIS 600

Receive Transmit

059392 ISO Acknowledgment 059392 ISO Acknowledgment

059904 ISO Request 060928 ISO Address Claim

060928 ISO Address Claim 126208 NMEA Request/Command/Acknowledge Group Function

126208 NMEA - Command/Request/Acknowledge Group

Function

126464 PGN List

126992 System Time 126996 Product Information

129038 AIS Class A Position Report

129039 AIS Class B Position Report

129040 AIS Class B Extended Position Report

129794 AIS Class A Static and Voyage Related Data

129798 AIS SAR Aircraft Position Report

129802 AIS Safety Related Broadcast Message

129809 AIS Class B “CS” Static Data Report, Part A

129810 AIS Class B “CS” Static Data Report, Part B

Technical Reference for Garmin NMEA 2000 Products 23

NMEA 2000-Certied Sensor Conguration Information

Garmin NMEA 2000-certied sensors each have a included in the package. For convenience, this section contains Sensor Conguration Guide

the conguration information for all Garmin NMEA 2000 sensor. All NMEA 2000 device conguration options are set from the NMEA 2000

conguration menu on your NMEA 2000 display device.

important: To access the NMEA 2000 conguration menu on your display device, consult the documentation provided with your display

device.

GPS 17x (GPS Antenna)

Enabling and Disabling WAAS (Wide Area Augmentation System)/EGNOS (Euro Geostationary

Navigation Overlay Service)

When enabled, WAAS/EGNOS provides more-accurate position information. For more information on WAAS/EGNOS, visit www.garmin.com.

1. While viewing the NMEA 2000 conguration menu, select the GPS 17x device.

2. Select > Cong WAAS/EGNOS.

3. On a Garmin chartplotter, select or .On Off

Setting the Speed Filter

The speed lter setting on the GPS 17x can help reduce unnecessary drift alarm triggers as well as potentially sporadic position information.

The speed lter averages the data provided by the GPS 17x to provide smoother position data updates. The speed lter is most helpful when

stationary or in low-speed situations.

1. While viewing the NMEA 2000 conguration menu, select the GPS 17x device.

2. Select > .Cong Speed Filter

3. Choose from the following options:

• —position information from the GPS 17x is provided to the NMEA 2000 network as it is gathered.Off

• —position information from the GPS 17x is gathered and averaged before it is provided to the NMEA 2000 network. Select the interval On

at which the position information is gathered.

• —the speed lter toggles on in low-speed situations and toggles off in high-speed situations.Auto

Refreshing GPS Satellite Acquisition

In some situations, if you have moved the boat many miles without using the GPS 17x, for example, you can force the GPS 17x to re-initialize

and nd your current position.

1. While viewing the NMEA 2000 conguration menu, select the GPS 17x device.

2. Select > .Cong Auto Locate

3. Wait for the GPS 17x to acquire satellites.

Restoring Factory Default Settings

You can restore factory default settings to the GPS 17x. You will lose all custom conguration settings when you restore factory default

settings.

To restore factory default settings:

1. While viewing the NMEA 2000 conguration menu, select the GPS 17x device.

2. Select > .Cong Factory Defaults

Technical Reference for Garmin NMEA 2000 Products 25

NMEA 2000-Certied Sensor Conguration Information

Conguring Engine and Tank Information

If you have a multi-engine or a multi-tank setup on your boat, specify which engine or tank is associated with each GFS 10.

The serial number of each GFS 10 is shown on the NMEA 2000 device conguration menu to help differentiate among multiple GFS 10 devices.tiP:

To congure tank and engine information for the GFS 10:

1. While viewing the NMEA 2000 device conguration menu, select the GFS 10 device you want to congure, and select . Cong

2. Select from the following options:

• —for a multi-engine installation, assign the selected GFS 10 to a specic engine.Engine Number

• Tank Number—for a multi-tank installation, assign the selected GFS 10 to a specic tank.

• Tank Capacity—dene the fuel capacity of the fuel tank that the selected GFS 10 is connected to.

Troubleshooting Fuel Gauge Type

When wired to a fuel gauge, the gauge type defaults to Auto Detect. If the fuel-level reading on your Garmin chartplotter or marine instrument

changes with the engine RPM, the GFS 10 could be detecting the wrong type of gauge.

The fuel level changes with the motion of the boat. Perform this test when the boat is not moving.Note:

To test the gauge-type setting:

1. When the boat is not moving, put the engine in neutral.

2. Use the throttle to increase the engine RPM. If the fuel-level reading changes with the engine RPM, change the gauge type.

To change the gauge-type setting:

1. While viewing the NMEA 2000 device conguration menu, select the GFS 10 device.

2. Select > Cong Gauge Type.

3. Choose or and repeat the gauge-type setting test.1 Coil 2 Coil

Troubleshooting the Fuel-Flow Reading

If the fuel-ow information received from the GFS 10 appears inaccurate, you can manually adjust the fuel-ow reading.

To adjust the fuel-ow reading:

1. While viewing the NMEA 2000 device conguration menu, select the GFS 10 device.

2. Select > .Cong Flow Adjustment

3. Enter a positive or negative adjustment.

For example, when you set the Flow Adjustment to +10% , a ow reading of 20 gal./hr. (75 L/h) would change to a reading of 22 gal./hr.

(82.5 L/h), because 20 gal. × 110% = 22 gal. (75 L × 110% = 82.5 L).

Restoring Factory Default Settings

You can restore factory default settings to the GFS 10. You will lose all custom conguration and calibration settings when you restore factory

default settings.

To restore factory default settings:

1. While viewing the NMEA 2000 conguration menu, select the GFS 10 device.

2. Select > .Cong Factory Defaults

26 Technical Reference for Garmin NMEA 2000 Products

NMEA 2000-Certied Sensor Conguration Information

GRA 10 (Garmin Rudder Angle Adapter)

 This section provides specic conguration information for the GRA 10 adapter using your compatible Garmin display device. To

access the NMEA 2000 conguration menu on your display device, consult the documentation provided with your display device.

Calibrating the Rudder Angle

To use the GRA 10 adapter, you must calibrate the angle of the rudder that the adapter is associated with.

1. Turn the boat ignition key to the On position (not Start).

2. From the NMEA 2000 Devices list, select the GRA 10 device.

3. Select an option:

• For most Garmin chartplotters, select > Review Rudder Angle Calibration.

• For other Garmin marine devices, select > Cong Rudder Angle Calibration.

4. Follow the on-screen instructions to calibrate the starboard and port rudder angles.

5. Select when the calibration is complete.OK

Troubleshooting the Gauge Type

When connected to a gauge, the GRA 10 adapter gauge type is set to by default, and the adapter automatically detects the type of 

gauge it is connected to. If the rudder-angle reading on a connected Garmin chartplotter or marine instrument changes with the engine RPM, the

adapter may be detecting the wrong type of gauge.

To test the gauge-type setting:

1. When the boat is not moving, put the engine in neutral.

2. Use the throttle to increase the engine RPM. If the rudder-angle reading changes with the engine RPM, change the gauge type.

To change the gauge type:

1. From the NMEA 2000 Devices list, select the GRA 10 device.

2. Select an option:

• For most Garmin chartplotters, select > Review Gauge Type.

• For other Garmin marine devices, select > Cong Gauge Type.

3. Select an option:

• To automatically detect the gauge type, select .Auto Detect

• To indicate a one-coil gauge, select .1 Coil

• To indicate a two-coil gauge, select .2 Coil

4. Perform the gauge-type setting test.

Conguring the GRA 10 Adapter if the Rudder Angle Calibration and Gauge Type Selections Are Not

Displayed

Depending on the version of software loaded on your Garmin marine instrument, the specic conguration options may not be displayed on the

conguration screens.

To calibrate the rudder angle if the menu option is not displayed:

To use the GRA 10 adapter, you must calibrate the angle of the rudder that the adapter is associated with.

1. Turn the boat ignition key to the On position (not Start).

2. From the NMEA 2000 Devices list, select the GRA 10 device.

3. Select an option:

• For most Garmin chartplotters, select > .Review Generic Cong

• For other Garmin marine devices, select > .Cong Generic Conguration

4. Move the rudder fully to starboard and observe the angle of the rudder position, in degrees.

5. Enter the following command: “RUDDERPOS=”

Technical Reference for Garmin NMEA 2000 Products 27

NMEA 2000-Certied Sensor Conguration Information

6. After the command, enter the angle of the starboard rudder position as a whole number greater than and less than , in degrees, 0 180

followed by . For example, .Done RUDDERPOS=45Done

7. Center the rudder.

8. Enter the following command: “RUDDERPOS=0Done”

9. Move the rudder fully to port and observe the angle of the rudder position, in degrees.

10. Enter the following command: “RUDDERPOS=”

11. After the command, enter the angle of the port rudder position as a whole number less than and greater than , in degrees, followed by 0 -180

Done RUDDERPOS=-45Done. For example, .

To congure the gauge type if the menu option is not displayed:

When connected to a gauge, the GRA 10 adapter gauge type is set to by default, and the adapter automatically detects the type 

of gauge it is connected to. When you troubleshoot the gauge-type setting, if the rudder-angle reading on a connected Garmin chartplotter or

marine instrument changes with the engine RPM, the adapter may be detecting the wrong type of gauge.

1. From the NMEA 2000 Devices list, select the GRA 10 device.

2. Select an option:

• For most Garmin chartplotters, select > .Review Generic Cong

• For other Garmin marine devices, select > .Cong Generic Conguration

3. Enter the following command: “GAUGRAYPE=”

4. After the command, enter one of the following options:

• To automatically detect the gauge type, enter , followed by . For example, 0 Done GAUGRAYPE=0Done.

• To indicate a one-coil gauge, enter , followed by . For example, 1 Done GAUGRAYPE=1Done.

• To indicate a two-coil gauge, enter , followed by . For example, 2 Done GAUGRAYPE=2Done.

Restoring Factory Default Settings

You will lose all custom conguration settings when you restore factory default settings.

1. From the NMEA 2000 Devices list, select the GRA 10 device.

2. Select an option:

• For most Garmin chartplotters, select > .Review Generic Cong

• For other Garmin marine devices, select > .Cong Generic Conguration

3. Select Yes.

GET 10 (Garmin Engine Tilt Adapter)

 This section provides specic conguration information for the GET 10 adapter using your compatible Garmin display device. To

access the NMEA 2000 conguration menu on your display device, consult the documentation provided with your display device.

Calibrating the Engine Tilt

To use the GET 10 adapter, you must calibrate the tilt of the engine with which the adapter is associated.

1. Turn the boat ignition key to the On position (not Start).

2. From the NMEA 2000 Devices list, select the GET 10 device.

3. Select an option:

• For most Garmin chartplotters, select > .Review Engine Tilt Calibration

• For other Garmin marine devices, select > .Cong Engine Tilt Calibration

4. Follow the on-screen instructions to calibrate the engine tilt.

5. Select when the calibration is complete.OK

Conguring the Engine Number

If your boat has multiple engines, you can indicate which engine each GET 10 adapter is associated with.

28 Technical Reference for Garmin NMEA 2000 Products

NMEA 2000-Certied Sensor Conguration Information

1. From the NMEA 2000 Devices list, select the GET 10 device.

2. Select an option:

• For most Garmin chartplotters, select > .Review Engine Number

• For other Garmin marine devices, select > .Cong Engine Number

3. Select the number of the engine that the adapter is associated with.

4. Select .Done

Troubleshooting the Gauge Type

When connected to a gauge, the GET 10 adapter gauge type is set to by default, and the adapter automatically detects the type of auto Detect

gauge it is connected to. If the engine-tilt reading on a connected Garmin chartplotter or marine instrument changes with the engine RPM, the

adapter may be detecting the wrong type of gauge.

To test the gauge-type setting:

1. When the boat is not moving, put the engine in neutral.

2. Use the throttle to increase the engine RPM. If the engine-tilt reading changes with the engine RPM, change the gauge type.

To change the gauge type:

1. From the NMEA 2000 Devices list, select the GET 10 device.

2. Select an option:

• For most Garmin chartplotters, select > Review Gauge Type.

• For other Garmin marine devices, select > Cong Gauge Type.

3. Select an option:

• To automatically detect the gauge type, select .Auto Detect

• To indicate a one-coil gauge, select .1 Coil

• To indicate a two-coil gauge, select .2 Coil

4. Perform the gauge-type setting test.

Conguring the GET 10 Adapter if the Engine Tilt Calibration, Engine Number, and Gauge Type

Selections Are Not Displayed

Depending on the version of software loaded on your Garmin marine instrument, the specic conguration options may not be displayed on the

conguration screens.

To calibrate the engine tilt if the menu option is not displayed:

To use the GET 10 adapter, you must calibrate the tilt of the engine that the adapter is associated with.

1. Turn the boat ignition key to the On position (not Start).

2. From the NMEA 2000 Devices list, select the GET 10 device.

3. Select an option:

• For most Garmin chartplotters, select > .Review Generic Cong

• For other Garmin marine devices, select > .Cong Generic Conguration

4. Set the engine tilt to the full-up position. The engine tilt is at 100%.

5. Enter the following command: “ENGINETILT=100Done”

6. Set the engine tilt to the full-down position. The engine tilt is at 0%.

7. Enter the following command: “ENGINETILT=0Done”

To congure the engine number if the menu option is not displayed:

If your boat has multiple engines, you can indicate which engine each GET 10 adapter is associated with.

1. From the NMEA 2000 Devices list, select the GET 10 device.

2. Select an option:

Produktspecifikationer

Varumärke:	Garmin
Kategori:	Navigator
Modell:	echoMAP CHIRP 74sv

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