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GPSMAP

®

 702/902 SERIES

 

INSTALLATION 

INSTRUCTIONS

Important Safety Information

 WARNING

See the 

Important Safety and Product Information

 guide in the 

product box for product warnings and other important 

information.
When connecting the power cable, do not remove the in-line 

fuse holder. To prevent the possibility of injury or product 

damage caused by fire or overheating, the appropriate fuse 

must be in place as indicated in the product specifications. In 

addition, connecting the power cable without the appropriate 

fuse in place voids the product warranty.

 CAUTION

Always wear safety goggles, ear protection, and a dust mask 

when drilling, cutting, or sanding.

NOTICE

When drilling or cutting, always check what is on the opposite 

side of the surface.

To obtain the best performance and to avoid damage to your 

boat, install the device according to these instructions.
Read all installation instructions before proceeding with the 

installation. If you experience difficulty during the installation, 

contact Garmin

®

 Product Support.

Contacting Garmin Support

• Go to 

support.garmin.com

 for help and information, such as 

product manuals, frequently asked questions, videos, and 

customer support.

• In the USA, call 913-397-8200 or 1-800-800-1020.
• In the UK, call 0808 238 0000.
• In Europe, call +44 (0) 870 850 1241.

Updating the Device Software

You may need to update the device software when you install 

this device or add an accessory to the network. You can use 

one of two methods to update the software.
• Use the ActiveCaptain

 app.

• Download the update from 

www.garmin.com/support

/software/marine.html

 using a 32 GB card and a computer 

running Windows

®

 operating system.

For more information, see the owner's manual at 

www.garmin.com/manuals/GPSMAP702-902

.

Registering Your Device

Help us better support you by completing our online registration 

today. You can register your device using one of two methods.
• Use the ActiveCaptain app.

• Go to 

my.garmin.com/registration

 and sign into your Garmin 

account to register the device.

Keep the original sales receipt, or a photocopy, in a safe place. 

After you add devices to the chartplotter network, register the 

new devices.

Tools Needed

• Drill
• Drill bits appropriate for the device and mounting style

Mounting Style

Drill Bit Sizes

Bail with included M4 wood screws

3.2 mm (

1

/

8

 in.)

Flush

13 mm (

1

/

2

 in.)

Flush with included M3.5 wood screws (702 series) 2 mm (

5

/

64

 in.)

Flush with included M4 wood screws (902 series)

3.2 mm (

1

/

8

 in.)

Flush with included machine screws and nut plates 6 mm (

1

/

4

 in.)

4 mm (

3

/

16

 in.)

Flush with included M3.5 machine screws and 
tapped holes (702 series)

M3.5 tap

Flush with included M4 machine screws and tapped 
holes (902 series)

M4 tap

• #2 Phillips screwdriver
• Jigsaw or rotary tool
• File and sandpaper
• Marine sealant (recommended)

Mounting Considerations

NOTICE

This device should be mounted in a location that is not exposed 

to extreme temperatures or conditions. The temperature range 

for this device is listed in the product specifications. Extended 

exposure to temperatures exceeding the specified temperature 

range, in storage or operating conditions, may cause device 

failure. Extreme-temperature-induced damage and related 

consequences are not covered by the warranty.

When selecting a mounting location, you should observe these 

considerations.

• The location should provide optimal viewing as you operate 

your boat.

• The location should allow for easy access to all device 

interfaces, such as the keypad, touchscreen, and card 

reader, if applicable.

• The location must be strong enough to support the weight of 

the device and protect it from excessive vibration or shock.

• To avoid interference with a magnetic compass, the device 

should not be installed closer to a compass than the 

compass-safe distance value listed in the product 

specifications.

• The location must allow room for the routing and connection 

of all cables.

• The location must not be a flat, horizontal surface. The 

location should be in a vertical angle.
The location and viewing angle should be tested before you 

install the device. High viewing angles from above and below 

the display may result in a poor image.

Bail Mounting the Device

NOTICE

If you are mounting the bracket on fiberglass with screws, 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 cracking in the gel-coat layer when the screws are 

tightened.

October 2018

190-02141-02_0D

Summary of Contents for GPSMAP 702 Series

Page 1: ...ork register the new devices Tools Needed Drill Drill bits appropriate for the device and mounting style Mounting Style Drill Bit Sizes Bail with included M4 wood screws 3 2 mm 1 8 in Flush 13 mm 1 2...

Page 2: ...ly in the cutout ensure the mounting holes on the device line up with the larger holes on the template 9 If the mounting holes on the device do not line up mark the new hole locations 10Based on your...

Page 3: ...ditional chassis grounding in most installation situations If you experience interference the grounding screw on the housing can be used to connect the device to the water ground of the boat to help a...

Page 4: ...to power ground The power cable from the chartplotter and the NMEA 0183 devices must be connected to a common power ground The internal NMEA 0183 ports and communication protocols are configured on th...

Page 5: ...onnecting the device to a lamp or horn observe these considerations The alarm circuit switches to a low voltage state when the alarm sounds The maximum current is 1 A and a relay is needed to limit th...

Page 6: ...protocol Connection management 060928 ISO address claimed 065240 Commanded address 126208 Request group function 126996 Product information 126998 Configuration information 127237 Heading track contr...

Page 7: ...BT DBT Depth below transducer SDDPT DPT Depth SDMTW MTW Water temperature SDVHW VHW Water speed and heading Receive Sentence Description DPT Depth DBT Depth below transducer MTW Water temperature VHW...

Page 8: ...support garmin com TA 2016 3368 TA 2017 085...

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