Garmin echoMAP 71sv Installation Instructions

Garmin Chartplotter/Sonar Combos Installation Instructions - echoMAP 71sv.
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echoMAP™ 40/50 Series Installation 

Instructions

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.

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.

Registering Your Device
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.

Contacting Garmin Product Support
• Go to www.garmin.com/support for in-country support 

information.

• 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.

Tools Needed
• Drill and drill bits
• #2 Phillips screwdriver
• Marine sealant
• 3/8 in. wrench or socket
• Masking tape
• Hardware for the swivel mount (not included)

◦ Self-tapping, pan-head wood screws or pan-head bolts, 

either size #8 or a diameter of 5/32 in. (4 mm)

◦ Appropriate washers and nuts (if selecting bolts)
◦ Appropriate drill bit for drilling the pilot hole

Mounting Considerations
The device can be mounted using the included bracket, or it can 

be mounted flush with the dashboard using a flush-mount kit 

(may be sold separately).
Before permanently installing any part of your device, you 

should plan the installation by determining the location of the 

various components.
• The mounting location must provide a clear view of the 

screen and access to the keys on the device.

• The mounting location must be sturdy enough to support the 

device and the mount.

• The cables must be long enough to connect the components 

to each other and to power.

• The cables can be routed under the bail mount or behind the 

device.

• 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.

Flush Mounting the Device

NOTICE

Be careful when cutting the hole to flush mount the device. 

There is only a small amount of clearance between the case and 

the mounting holes, and cutting the hole too large could 

compromise the stability of the device after it is mounted.
Using a metal pry tool such as a screwdriver can damage the 

trim caps and the device. Use a plastic pry tool when possible.

A flush-mount template and hardware can be used to mount the 

device in your dashboard.
Trim the template and make sure it fits in the location where 

you want to mount the device.

Secure the template to the selected mounting location.
Using a 9.5 mm (3/8 in.) drill bit, drill one or more of the holes 

inside the corners of the solid line on the template to prepare 

the mounting surface for cutting.

Using a jigsaw or rotary cutting tool, cut the mounting surface 

along the inside of the solid line indicated on the template.

Place the device into the cutout to test the fit.
If necessary, use a file and sandpaper to refine the size of 

the hole.

7 NOTE: Not all devices have trim caps.

Using a pry tool such as a flat piece of plastic or a 

screwdriver, carefully pry up the corners of the trim caps 

À 

and slide the pry tool to the center 

Á

 to remove the trim caps.

Ensure the mounting holes on the device line up with the pilot 

holes on the template.

If the mounting holes on the device do not line up, mark the 

new pilot-hole locations.

10Using a 3.2 mm (1/8 in.) drill bit, drill the pilot holes.
11Remove the template from the mounting surface.

December 2014

Printed in Taiwan

190-01834-02_0B

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