Airmar H2183 User Manual
17-472-01 rev.05 05/21/14
Owner’s Guide & Installation Instructions
Heading Sensor
Models: H2183
U.S. Patent No. 8,326,561
UK Patent No. 2 460 158
Record the serial number found on the underside of the sensor.
Serial No.____________ Date of Purchase______________
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All Rights Reserved. Except as expressly provided herein, no part of this manual may be
Copyright © 2008 - 2014 Airmar Technology Corp. All rights reserved.
reproduced, copied, transmitted, disseminated, downloaded, or stored in any storage
medium, for any purpose without prior written consent of Airmar. Airmar hereby grants
permission to download a single copy of this manual and of any revision of this manual onto
a hard drive or other electronic storage medium to be viewed and to print one copy of this
manual or any revision hereto, provided that such electronic or printed copy of this manual
or revision 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 manual is subject to change without notice. Airmar 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. Visit the Airmar website at
www.airmar.com for current updates and supplemental information concerning the use and
operation of this and other Airmar products.
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Table of Contents
Introduction.............................................................................. 4
Safety Instructions.................................................................... 5
Hardware, Tools & Materials................................................... 6
Where to Purchase Parts............................................................6
Choosing the Mounting Location............................................. 7
Installing................................................................................... 8
Mounting on a Vertical Surface................................................ 8
Flush Mounting on a Horizontal Surface..................................11
Cable Routing & Connecting....................................................12
Connecting to an NMEA 0183 Display.................................... 12
Connecting to an NMEA 2000® Network............................... 14
Calibrating the Compass........................................................... 15
Maintenance..............................................................................16
Troubleshooting........................................................................ 16
Firmware Revisions...................................................................16
NMEA 2000®: Load Equivalency Number..............................16
Trademarks................................................................................16
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Introduction
IMPORTANT: Please read the Owner’s
Guide completely before proceeding.
Thank you for purchasing an Airmar solid-state sensor. The compact housing is
waterproof with a single removable cable. The H2183 is actually three sensors in
a single unit—a three-axis magnetic compass, a three-axis accelerometer, and a
three-axis rate gyro. Data is simultaneously output in digital NMEA 0183 and
NMEA 2000° formats.
Functions & Outputs H2183
Magnetic compass heading
Heading relative to true north
Rate of Turn
Angle of pitch and roll
Rate of pitch & roll
NMEA 0183: RS422 Optional
NMEA 0183: RS232 Optional
NMEA 20000®; CAN
1. Only available if magnetic variation is available from an external device such as a GPS.
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Features
• Fast response time
• Stable and accurate data in dynamic conditions
• Can be programmed to compensate for an installation that is not aligned to the
front of the vehicle/bow of the boat and / or level
• Can be calibrated to compensate for magnetic deviation caused by ferrous
metals and other electro-magnetic fields
• Waterproof housing
• Waterproof cable system
• Bracket or flush mount
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Follow the safety precautions below to reduce the risk of poor product
WARNING
Navigation Aid Only—The sensor is only an aid to
navigation and should never be solely relied upon. It is not a
replacement for traditional navigation aids and techniques,
and human judgement. Only official government nautical
charts contain all the information needed for safe navigation.
performance, property damage, personal injury, and/or death.
WARNING: Correct Installation Important
The sensor must be installed and operated according to the instructions in this
owner’s guide.
WARNING: Installation Safety
Always wear safety goggles and a dust mask when installing.
WARNING: Steel Vehicle/Boat
Do not install the sensor within a steel vehicle/boat because it is a ferrous
(magnetic) material. Instead, use Airmar’s model GH2183, combination GPS and
compass that can be mounted above the vehicle/boat.
WARNING: Compass Safe Distance
The sensor must be a minimum of 0.3m (1') from other standard and steering
compasses.
WARNING: Do Not Install Near Artificial Magnetic Field
Observe a safe distance from ferrous metals and anything that can create a
magnetic field to prevent interference to the magnetic compass.
WARNING: Electrical Safety
The power supply must be OFF before making electrical connections.
WARNING: Voltage
The power supply voltage must be 9 - 40 VDC.
WARNING: Fuse or Circuit Breaker
A safe installation requires a 0.5 amp fast-blow fuse or circuit breaker.
WARNING: Battery
Make power connections to a power source that is isolated from the engine start
battery(s). Voltage drops may cause the sensor to lose information and / or change
operating mode.
WARNING: Calibrating the Compass
The internal compass may need to be calibrated after the sensor is installed.
Perform the pretest to determine if calibration is necessary.
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