Garmin GMI 10 Digital Marine Instrument Display User manual

GMI 10 Installation Instructions
To obtain the best possible performance, install your GMI 10 Marine Instrument according to the following instructions.
If you experience difculty 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.
WARNING: See the Important Safety and Product Information guide in the product box for product warnings and
other important information.
Product Registration
Help us better support you by completing our online registration at www.garmin.com/registration/.
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 if you have any questions while installing or using your GMI 10. In the USA contact Garmin Product
Support by phone: [phone] or [phone]; or go to www.garmin.com/support/.
In Europe, contact Garmin (Europe) Ltd. at +44 (0) 870.8501241 (outside the UK) or 0808 2380000 (within the UK).
Packing List and Accessories
Before installing your GMI 10, conrm that your package includes the following items. If any parts are missing, contact
your Garmin dealer immediately.
Standard Package
GMI 10 unit
Protective cover
Flush mount hardware
Power/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 (2m), (3 A fuse)
Installation instructions
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Optional Accessories
Additional NMEA 2000 network components
Tools Needed
Jigsaw or 3
17
/
32
in. (90mm) hole saw,
Drill and drill bits
Center punch and hammer
Scissors
File and sandpaper
Phillips head screwdriver
Anti-seize lubricant (optional)
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To install and use your GMI 10
1. Select a location.
2. Flush mount the GMI 10.
3. Connect the GMI 10 to power.
4. Connect the GMI 10 to sensors.
January, 2008 190-00892-02 Rev. B Printed in Taiwan

2 GMI 10 Installation Instructions
InstallatIon InstructIons
Step 1: Select a Location for the GMI 10
Consider the following when you select an installation location:
Provides optimal viewing as you operate your vessel.
Allows easy access to the keypad on the GMI 10.
Is strong enough to support the weight of the GMI 10 and protect it from excessive vibration or shock.
Allows room for the routing and connection of the cables for power and data. There should be at least a
3-inch (8 cm) clearance behind the case.
Is at least 9
1
/
2
in. (241 mm) from a magnetic compass, to avoid interference.
Mount the GMI 10 in an area that is not exposed to extreme temperature conditions.
NOTE: The temperature range for the GMI 10 is from 5°F to 158°F (from -15°C to 70°C). Extended exposure to
temperatures outside this range (in storage or operating conditions) may cause failure of the LCD screen or other components.
This type of failure and related consequences are not covered by the manufacturer’s limited warranty.
Step 2: Flush Mounting the GMI 10
In addition to four of the included mounting screws (number 8 ANSI (4.2 × 1.4 DIN7981)), ush mounting the GMI 10
requires the following tools:
Phillips-head screwdriver
Drill and drill bit (refer to the Pilot Hole Size Table on page 3 for drill bit size) for mounting holes
3
/
8
in. (10 mm) drill bit for pilot hole
Jigsaw
Scissors
Center punch and hammer
File and sandpaper
Anti-seize lubricant (optional)
Counterbore bit (for berglass installations)
NOTE: Ensure that the surface on which you mount the GMI 10 has sufcient open space behind it to accommodate the GMI
10 and the connected wires.
To ush mount the GMI 10:
1. Theush-mounttemplateisincludedintheproductbox.Trimthetemplateandensureitwilltinthelocationat
whichyouwanttoushmounttheGMI10.
2. Theush-mounttemplatehasadhesiveontheback.Removetheprotectivelinerandapplythetemplatetothe
locationwhereyouwanttoushmounttheGMI10.
3. Ifyouwillbecuttingtheholewithajigsaw,andnota317/32 in. (90 mm) hole
saw,usea3/8 in.(10mm)drillbittodrillapilotholeasindicatedonthe
templatetobegincuttingthemountingsurface.
4. Usingthejigsawor317/32 in.(90mm)holesaw,cutthemountingsurface
alongtheinsideofthedashedlineindicatedontheush-mounttemplate.
Usealeandsandpapertorenethesizeofthehole.
5. PlacetheGMI10intothecutout,toconrmthatthefourmounting-holesare
correctafterreningthehole.Ifnot,markthecorrectlocationsofthefour
mountingholes.RemovetheGMI10fromthecutout.
6. Usingthecenterpunch,indentthecenterofeachofthefourmounting-hole
locations.
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3GMI 10 Installation Instructions
InstallatIon InstructIons
7. UsingadrillbitasspeciedbythePilotHoleSizeTable,drillthefourmountingholes.
Material Material Thickness (in.) Material Thickness (mm) Hole Size (in.) Hole Size (mm) Hole Size
(Drill Number)
Aluminum alloy
sheet metal
from
1
/
32
to
5
/
64
from 0.76 to 2.03 .128 3.25 30
from
3
/
32
to
3
/
8
from 2.28 to 9.52 .147 3.73 26
Fiberglass—allthicknesses .140 3.56 28
HighDensityPlastic—allthicknesses .125 3.17
1
/
8
Plywood(resinimpregnated)—Professionalinstallationrecommended .144 3.66 27
Pilot Hole Size Table
NOTE: If you are mounting the chartplotter in berglass, it is recommended to use a countersink bit to drill a clearance-
counterbore through only the top gel-coat layer. This will help to avoid any cracking in the gel-coat layer when the screws are
tightened
8. Place the GMI 10 into the cutout
9. SecurelytightenthefourmountingscrewsthroughtheGMI10intothedrilledmountingholes.
NOTE: Stainless-steel screws may bind when screwed into berglass and overtightened. Garmin recommends applying an
anti-galling, stainless anti-seize lubricant to the screw before using.
10.Installthemountingcoversbysnappingthemintoplace.
Step 3: Connect the GMI 10 to Power
The GMI 10 comes with a cable assembly that connects it to power and provides interface capabilities for connecting
external devices with NMEA 0183 (page 6).
The replacement fuse is an AGC/3AG – 1 A fuse. If it is necessary to extend the power wires, use 18 AWG wire. If your
boat has an electrical system, you might be able to wire the GMI 10 directly to an unused holder on your current fuse
block. If you are using the fuse block, remove the in-line fuse holder supplied with the GMI 10. You can also wire the
GMI 10 directly to the battery.
1A
-
+
To 8–32 Vdc boat
supply
1 A fuse
Boat ground
+
-
To GMI 10
Fuse Block
CAUTION: The GMI 10 maximum input voltage is 32 Vdc. Do not exceed this voltage, because this can damage the GMI
10 and void the warranty.
NOTE: During a typical installation, use only the red and black wires. The other wires are used for NMEA 0183 connections,
and do not have to be connected for normal operation of the GMI 10. For information on connecting to a NMEA 0183-
compatible device, see page 6.

4 GMI 10 Installation Instructions
InstallatIon InstructIons
To install the wiring harness:
1. Useatestlightorvoltmetertodeterminethepolarityofthevoltagesource.
2. Connectthered(+orpositive)wiretothepositivevoltageterminal.(Ifyouusethefuseblockontheboat,routethe
positiveconnectionthroughthefuse,asshownonthediagram.)
3. Connecttheblack(-orground)wiretothenegativevoltageterminal.
4. InstallorchecktheAGC/3AG – 1 A fuse(onthefuseblockorinthein-lineholder).
5. AlignthenotchesonthecableplugandonthebackoftheGMI10.Insertthecableintotheconnector,andturnthe
lockingringcounter-clockwiseuntilitstops.
Step 4: Connect the GMI 10 to Sensors
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 build a
basic NMEA 2000 network. For more information on NMEA 2000, visit
www.garmin.com. Follow the directions and reference the diagrams on page 5
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.
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.
CAUTION: 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.
CAUTION: You must connect the included NMEA 2000 power cable to the boat’s ignition switch, or through an external
switch. The GMI 10 will drain your battery if it is connected directly.
Power/data NMEA 2000Power/data NMEA 2000

5GMI 10 Installation Instructions
InstallatIon InstructIons
Connecting the GMI 10 to an Existing
NMEA 2000 Network
Drop cable
(included)
T-connector
(included)
NMEA 2000
device
(not included)
NMEA 2000
device
(not included)
GMI 10
Existing NMEA 2000 network
Creating a Basic NMEA 2000 Network
+-
Drop cable
Male
terminator
T-connectors
Female
terminator
Power cable
Ignition or
in-line switch
12 Vdc battery
Fuse
NMEA 2000
device
(not included)
Additional
drop cable and
T-connector
(not included)
Notes:
ToaddadditionalsensorstoyourNMEA2000network,followtheinstructionsincludedwiththesensor.
TolearnmoreaboutNMEA2000andbuildingaNMEA2000network,visitwww.garmin.com.
TheGMI10isnotpoweredbytheNMEA2000network,itmustbeseparatelyconnectedtothepowersource.
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6 GMI 10 Installation Instructions
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
Red
Black
Yellow
Blue
White
Brown
Green
Function
Power
Ground
Accessory On
Tx/A(+)
Tx/B(-)
Rx/A(+)
Rx/B(-)
Fuse
1 A
GMI 10 Power/Data Cable
Examples:
+-
>
>
>
>
>
>
>
>
RED
BLACK
BROWN
GREEN
WIRE
COLOR
GMI 10
Device
Battery
12 Vdc
Fuse
1 A
BLUE
WHITE
YELLOW
RED
BLACK
GRAY
WHITE/
RED
WIRE
COLOR
WHITE
WHITE/
ORANGE
ORANGE
GPS 17/17x
NMEA 0183
HVS Antenna
Wiring the GMI 10 to a GPS 17x NMEA 0183 HVS Antenna
+-
>
>
>
>
RED
BLACK
BROWN
GREEN
WIRE
COLOR
WIRE
RED
POWER GND
NMEA GND
Tx/A (+)
Tx/B (-)
NMEA 0183
Compliant Device
GMI 10
Device
Battery
12 Vdc
Fuse
1 A
Wiring the GMI 10 to a Standard NMEA 0183 Device
Notes:
ConsulttheinstallationinstructionsforyourNMEA0183-compliantdevicetoidentifytheTransfer(TX)A(+)and
B(-)wires.
IfyourNMEA0183-compliant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)toground.
Theblue(Tx/A)andwhite(Tx/B)wiresareusedonlywhenwiringtheGMI10toaGarminGPS17/17xantenna.
Theyellow(accessoryon)wireisusedonlywhenwiringtheGMI10toaGarminGPS17/17xantenna.
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7GMI 10 Installation Instructions
InstallatIon InstructIons
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 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
126992 System Time 126464 Transmit/ReceivePGNList
Group Function
126996 ProductInformation
127250 VesselHeading 126996 ProductInformation
127489 EngineParameters-Dynamic
127505 FluidLevel
128259 Speed-WaterReferenced
128267 WaterDepth The GMI 10 is
NMEA2000certied
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
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.

© Copyright 2008 Garmin Ltd. or its subsidiaries
Garmin International, Inc.
1200 E 151st Street, Olathe, Kansas 66062 USA
Tel. [phone]
Fax. [phone]
Garmin (Europe) Ltd
Liberty House, Hounsdown Business Park, Southampton, Hampshire, SO40 9RB UK.
Tel. [phone] (outside the UK.) or 0808 2380000 (UK only)
Fax. [phone]
Garmin Corporation
No. 68, Jangshu 2nd Road, Shijr, Taipei County, Taiwan
Tel. [phone]
Fax. [phone]
Part Number 190-00892-02 Rev. B
Specications
Physical
Dimensions: 4
5
/
16
in. (109 mm) W × 4
3
/
8
in. (111 mm) H ×1
29
/
32
in (48 mm) D
Weight: 9.6 oz (272 g)
Cables: Power/data cable - 6 ft (1.8 m)
NMEA 2000 drop cable and power cable- 6
1
/
2
ft (2 m)
Temp range: 5°F (-15°C) to 158°F (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 input source: 8–32 Vdc
Fuse: AGC/3AG – 1 A
GMI 10 power usage: 2.5 W max
NMEA 2000 Power Input: 9-16 Vdc
NMEA 2000 Load Equivalency Number (LEN): 2 (100 mA)
Declaration of Conformity (DoC)
Hereby, Garmin, declares that this GMI 10 is in compliance with the essential requirements and other
relevant provisions of Directive 1999/5/EC.
To view the full Declaration of Conformity, see the Garmin Web site for your Garmin product:
www.garmin.com/products/gmi10/. Click Manuals, and then select the Declaration of Conformity link.
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 grants 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.
You acknowledge that the Software is the property of Garmin 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 are valuable trade secrets of Garmin and that
the Software in source code form remains a valuable trade secret of Garmin. 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.