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echo

 Installation Instructions

 WarnIng

See the 

Important Safety and Product Information

 guide in the product box 

for product warnings and other important information. 

 cautIon

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

cutting, or sanding.
Follow these instructions to properly install the all of the components 

provided with your echo 100/150/200/300c/500c /550c.

contact garmin

Contact Garmin Product Support if you have any questions while using your 

echo. 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.

tools needed

•  Drill and drill bits
• 

3

/

8

 in. wrench or socket

•  Masking tape
•  Number 2 Phillips screwdriver
•  Marine sealant
•  Hardware for the swivel mount (bolts or screws) (

page 3

)

Installation Preparation

Before permanently installing any part of your echo, plan the installation by 

determining the location of the various components. Verify that the cables are 

long enough to connect the components to each other and to power.

about the transducer

The transducer is the component of your echo that transmits sound waves 

through the water and receives them to relay the information to your echo 

device. With the supplied hardware, you can install the included transducer 

on the transom of your boat (

page 1

) or on your trolling motor (

page 3

).

If you already have an existing Garmin 6-pin dual-beam transducer on your 

boat, you can use it with your echo device by installing an adapter cable (sold 

separately).

about the echo Mount

The echo device can be mounted using the included swivel-mount bracket 

(

page 3

), or it can be mounted flush with the dashboard using the appropriate 

flush-mount kit (sold separately).

When planning a mounting location, choose a location that you can see as 

you operate your vessel, provides easy access to the keys on the echo, and is 

the appropriate distance from a compass (

page 6

).

assembling the transducer

1.   Insert the rubber washer 

 and the plastic spacer 

➋ 

into the transducer 

 at the same time. 

  Do not add any lubrication to the rubber washer.

2.  Pull the cable back and slide the transducer into the mounting bracket 

.

3.   Place a 5 mm flat washer 

 on the 10-32 x 1.75 in. screw 

 and insert 

the screw through the mounting bracket, transducer, spacer, and rubber 

washer.

4.   Place a 5 mm flat washer on the exposed end of the 10-32 x 1.75 in. 

screw, and fasten it with the 10-32 lock nut 

.

  Do not tighten the 10-32 lock nut. You will adjust the transducer and 

tighten the nut after you install the transducer on the boat.

Installing the transducer on a transom

Selecting a transom-mount Location

  Select a transom-mount location while considering these guidelines for 

optimal performance.
•  Mount the transducer as close to the center of the boat as possible.
•  Do not mount the transducer behind strakes, struts, fittings, water 

intake or discharge ports, or anything that creates air bubbles or 

causes the water to become turbulent.
The transducer must be in clean (non-turbulent) water for optimal 

performance.

•  Do not mount the transducer in the path of the propeller on single-

drive boats. 
The transducer can cause cavitation that can degrade the performance 

of the boat and damage the propeller.

•  On twin-drive boats, mount the transducer between the drives, if 

possible.

•  Do not mount the transducer in a location where it might be jarred 

when launching, hauling, or storing.

February, 2011 

190-01312-02 Rev. B 

Printed in Taiwan

contents
contact garmin 

1

tools needed 1
Installation Preparation 

1

about the transducer  1
about the echo Mount  1

assembling the transducer 1
Installing the transducer on a transom  1

Selecting a transom-mount Location 

1

Installing the transom-Mount Hardware  2

Installing the transducer on a trolling Motor 

3

Installing the Swivel Mount  3

Selecting a Swivel-Mount Location 

3

Preparing the Swivel-Mount Base Installation 

3

Fastening the Swivel Mount with the cables Installed in the Mount  4
Fastening the Swivel Mount without the cables Installed in the Mount 

4

Installing the echo Device in the Swivel Mount 

4

Installing the cables and connectors 

4

Wiring to Power 4
connecting the cables to an echo 100/150/300c  4
connecting the cables to an echo 200/500c/550c  5

testing the Installation 

5

testing the transom Mount transducer Installation 

5

Specifications 

6

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