GMI 10 Installation Instructions
To obtain the best possible performance, install your GMI 10 Marine Instrument according to the following instructions.
If you experience difficulty during the installation, contact Garmin Product Support, or seek the advice of a professional
installer.
The GMI 10 will communicate with NMEA 2000- or NMEA 0183-compatible sensors and devices, and can show
information such as speed, heading, water depth, and fuel information when connected to the appropriate sensors.
Product Registration
Help us better support you by completing our online registration today. Go to http://my.garmin.com. Keep the original
sales receipt, or a photocopy, in a safe place.
For future reference, write down the serial number assigned to your GMI 10 in the space provided below. The serial
number is located on a sticker on the back of the GMI 10.
Serial number
Contact Garmin
Contact Garmin Product Support if you have any questions while installing or using your GMI 10. 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 Contact Support for in-country support information, or contact
Garmin (Europe) Ltd. by phone at +44 (0) 870.8501241.
Packing List and Accessories
Before installing your GMI 10, confirm that your package includes the following items. If any parts are missing, contact
your Garmin dealer immediately.
Standard Package
Optional Accessories
• Additional NMEA 2000 network components
•
•
•
•
•
•
•
•
•
GMI 10 unit
Protective cover
Tools Needed
•
•
•
•
•
•
•
Jigsaw or 3 17/32 in. (90 mm) hole saw,
Flush mount hardware
Drill and drill bits
NMEA 0183 data wiring harness
2 NMEA 2000 T-connectors
2 NMEA 2000 terminators (1 male, 1 female)
1 NMEA 2000 drop cable (2 m)
1 NMEA 2000 power cable (2 m), (3 A fuse)
Installation instructions
Center punch and hammer
Scissors
File and sandpaper
Phillips screwdriver
Anti-seize lubricant (optional)
To install and use your GMI 10
January 2010
190-01168-02 Rev. A
Printed in Taiwan
7. Place the GMI 10 into the cutout.
8. Securely tighten the four mounting screws through the GMI 10 into the drilled mounting holes.
NOTE: Stainless-steel screws may bind when screwed into fiberglass and overtightened. Garmin recommends
applying an anti-galling, stainless anti-seize lubricant to the screw before using.
9. Install the mounting covers by snapping them into place.
Step 3: Connect the GMI 10 to Sensors and to Power
The GMI 10 can connect to sensors using either NMEA 2000 or NMEA 0183.
Connecting the GMI 10 through NMEA 2000
The GMI 10 is packaged with the necessary NMEA 2000 connectors and
cable to either connect the GMI 10 to your existing NMEA 2000 network or
to build a basic NMEA 2000 network. For more information on NMEA 2000,
visit
4 to either connect the GMI 10 to your existing NMEA 2000 network or to
build a basic NMEA 2000 network.
To connect the GMI 10 to your existing NMEA 2000 network:
1. Determine where you would like to connect the GMI 10 to your existing
NMEA 2000 backbone.
NMEA 018ꢁ
Data
NMEA ꢀ000
2. Disconnect one side of a NMEA 2000 T-connector from the backbone at
an appropriate location.
If you need to extend the NMEA 2000 backbone, connect an appropriate NMEA 2000 backbone extension cable (not
included) to the side of the T-connector you disconnected.
3. Add the included T-connector for the GMI 10 in the NMEA 2000 backbone by connecting it to the side of the
T-connector you disconnected.
4. Route the included drop cable to the bottom of the T-connector you just added to your NMEA 2000 network.
If the included drop cable is not long enough, you can use a drop cable up to 20 ft. (6 m) long (not included).
5. Connect the drop cable to the T-connector and the GMI 10.
Notice
If you have an existing NMEA 2000 network on your boat, it should already be connected to power. Do not connect
the included NMEA 2000 power cable to an existing NMEA 2000 network, because only one power source should be
connected to a NMEA 2000 network.
To create a basic NMEA 2000 Network
1. Connect the two T-connectors together by their sides.
2. The included NMEA 2000 power cable must be connected to a 12 Vdc power source through a switch. Connect to
the ignition switch of the boat if possible, or through an appropriate additional switch (not included).
3. Connect the NMEA 2000 power cable to one of the T-connectors.
4. Connect the included NMEA 2000 drop cable to the other T-connector and to the GMI 10.
5. Add additional T-connectors for each sensor (not included) you want to add to the NMEA 2000 network, and connect
each sensor to a T-connector with the appropriate drop cable (not included).
6. Connect the appropriate terminators to each end of the combined T-connectors.
Notice
You must connect the included NMEA 2000 power cable to the ignition switch of the boat, or through an external
switch. The GMI 10 will drain your battery if it is connected directly.
GMI 10 Installation Instructions
ꢁ
GMI 10
NMEA ꢀ000
device
(not included)
NMEA ꢀ000
device
(not included)
Drop cable
(included)
T-connector
(included)
Existing NMEA ꢀ000 network
Connecting the GMI 10 to an Existing
NMEA 2000 Network
Ignition or
in-line switch
Fuse
NMEA ꢀ000
device
(not included)
+
-
1ꢀ Vdc battery
Additional
drop cable and
T-connector
Drop cable
Power cable
T-connectors
(not included)
Male
terminator
Female
terminator
Creating a Basic NMEA 2000 Network
Notes:
•
•
•
To add additional sensors to your NMEA 2000 network, follow the instructions included with the sensor.
The GMI 10 is powered by the NMEA 2000 network.
ꢂ
GMI 10 Installation Instructions
Connecting the GMI 10 through NMEA 0183
The GMI 10 can receive NMEA 0183 data from one device. The GMI 10 displays the received data, but cannot transmit
the data to another NMEA 0183 device or transmit the data to a NMEA 2000 network.
Use the diagrams to wire a NMEA 0183 device to your GMI 10. Use 22 AWG, shielded, twisted-pair wiring for
extended runs of wire. Solder all connections and seal them with heat-shrink tubing.
GMI 10
Device
Color
Function
Accessory Off(-)
Accessory On(+)
Tx/A(+)
Black
Yellow
Blue
>
>
White
Brown
Green
Tx/B(-)
Rx/A(+)
>
Rx/B(-)
>
GMI 10 Data Cable
+
-
Battery
WIRE
WIRE
12 Vdc
COLOR
COLOR
GPS 17/17x
NMEA 0183
HVS Antenna
Fuse
1 A
RED
BLACK
YELLOW
BLUE
RED
GMI 10
Device
BLACK
ORANGE
WHITE
>
>
>
WHITE/
ORANGE
WHITE
>
>
BROWN
GRAY
WHITE/
RED
>
GREEN
>
>
Wiring the GMI 10 to a GPS 17x NMEA 0183 HVS Antenna
+
-
Battery
12 Vdc
WIRE
COLOR
WIRE
FUNCTION
GMI 10
Device
POWER
NMEA 0183
Compliant Device
POWER GND
BROWN
GREEN
Tx/A (+)
Tx/B (-)
>
>
>
>
Wiring the GMI 10 to a Standard NMEA 0183 Device
Notes:
•
Consult the instructions for your NMEA 0183-compliant device to identify the Tx/A(+) and Tx/ B(-) wires.
•
When connecting NMEA 0183 devices with two transmitting and two receiving lines, it is not necessary for the
NMEA 2000 bus and the NMEA 0183 device to connect to a common ground.
•
The yellow (accessory on) wire and the black (accessory ground) wire are used only when wiring the GMI 10 to a
Garmin GPS 17/17x antenna.
GMI 10 Installation Instructions
ꢃ
If your NMEA 0183-compatible device has only one transmitting wire (Tx), connect it to the brown wire (Rx/A) from
the GMI 10, and connect the green wire (Rx/B) from the GMI 10 to NMEA ground.
NMEA ꢀ000 network
+
-
Battery
WIRE
WIRE
12 Vdc
FUNCTION
COLOR
POWER
GMI 10
Device
GREEN
BLACK
NMEA GND
NMEA 0183-
Compatible
Device
POWER GND
Tx
BROWN
>
>
Wiring the GMI 10 to a NMEA 0183 Device with One Transmitting Wire
NOTE: When connecting a NMEA 0183 device with only one transmitting (Tx) line or with only one receiving (Rx)
line, the NMEA 2000 bus and the NMEA 0183 device must be connected to a common ground.
NMEA 2000 PGN Information
Use this table to determine the approved NMEA 2000 PGN information that can be received and transmitted by a
GMI 10 when communicating with a NMEA 2000-compliant device.
Receive
Transmit
059392
059904
060928
126208
126464
126992
126996
127250
127489
127505
128259
128267
129025
129026
129029
129044
129283
129284
129285
129539
129540
130306
130310
ISO Acknowledgment
ISO Request
059392
059904
060928
126208
ISO Acknowledgment
ISO Request
ISO Address Claim
ISO Address Claim
NMEA - Command/Request/Acknowledge Group Function
Transmit/Receive PGN List Group Function
System Time
NMEA - Command/Request/
Acknowledge Group Function
126464
126996
Transmit/Receive PGN List
Group Function
Product Information
Vessel Heading
Product Information
Engine Parameters - Dynamic
Fluid Level
Speed - Water Referenced
Water Depth
The GMI 10 is
NMEA 2000 certified
Position - Rapid Update
COG & SOG - Rapid Update
GNSS Position Data
Datum
Cross Track Error
Navigation Data
Navigation - Route/WP information
GNSS DOPs
GNSS Sats in View
Wind Data
Environmental Parameters
ꢄ
GMI 10 Installation Instructions
Receive
Transmit
130311
130312
130313
130314
Environmental Parameters
Temperature
Humidity
Actual Pressure
NMEA 0183 Sentence Information
The GMI 10 can receive the following approved NMEA 0183 sentences from a NMEA 0183-compliant device:
BOD, BWC, DBT, DPT, GGA, GLL, GSA, GSV, HDG, HDM, MDA, MTW, MWD, MWV, RMB, RMC, VHW, WPL,
and XTE.
Specifications
Physical
Dimensions:
W × H × D: 4 5/16 × 4 3/8 × 1 29/32 in (109 × 111 × 48 mm)
Weight:
9.6 oz. (272 g)
Cables:
NMEA 0183 data cable - 6 ft. (1.8 m)
NMEA 2000 drop cable and power cable- 6 1/2 ft. (2 m)
Temp range:
From 5°F to 158°F (from -15°C to 70°C)
Compass Safe Distance: 9 1/2 in. (241 mm)
Case Material: Fully gasketed, high-impact plastic alloy, waterproof to IEC 529 IPX7 standards
Power
GMI 10 power usage: 2.5 W max
NMEA 2000 Power Input: 9–16 Vdc
NMEA 2000 Load Equivalency Number (LEN): 6 (300 mA)
Declaration of Conformity
Hereby, Garmin, declares that this product is in compliance with the essential requirements and other
relevant provisions of Directive 1999/5/EC. To view the full Declaration of Conformity, go to
Software License Agreement
BY USING THE GMI 10, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE
LICENSE AGREEMENT. PLEASE READ THIS AGREEMENT CAREFULLY.
Garmin Ltd. and its subsidiaries (“Garmin”) grant you a limited license to use the software embedded in this device (the “Software”) in binary
executable form in the normal operation of the product. Title, ownership rights, and intellectual property rights in and to the Software remain in
Garmin and/or its third-party providers.
You acknowledge that the Software is the property of Garmin and/or its third-party providers and is protected under the United States of America
copyright laws and international copyright treaties. You further acknowledge that the structure, organization, and code of the Software, for which
source code is not provided, are valuable trade secrets of Garmin and/or its third-party providers and that the Software in source code form
remains a valuable trade secret of Garmin and/or its third-party providers. You agree not to decompile, disassemble, modify, reverse assemble,
reverse engineer, or reduce to human readable form the Software or any part thereof or create any derivative works based on the Software. You
agree not to export or re-export the Software to any country in violation of the export control laws of the United States of America or the export
control laws of any other applicable country.
GMI 10 Installation Instructions
ꢅ
For the latest free software updates (excluding map data) throughout the life of your
© 2010 Garmin Ltd. or its subsidiaries
Garmin International, Inc.
1200 East 151st Street, Olathe, Kansas 66062, USA
Garmin (Europe) Ltd.
Liberty House, Hounsdown Business Park, Southampton, Hampshire, SO40 9LR UK
Garmin Corporation
No. 68, Jangshu 2nd Road, Sijhih, Taipei County, Taiwan
January 2010
Part Number 190-01168-02 Rev. A
Printed in Taiwan
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