Garmin echo 100Series, Owner'S Manual

Battery

: Sounds when the battery reaches a specified low 

voltage.

Deep Water

: Sounds when the water depth is deeper than the 

specified depth.

Drift

: Sounds when depth variations at your present location 

exceed the specified depth.

Fish

: Sounds when the device detects a suspended target.

•

 sets the alarm to sound when fish of all sizes are 

detected.

•

 sets the alarm to sound only when medium or large 

fish are detected.

•

 sets the alarm to sound only when large fish are 

detected.

Shallow Water

: Sounds when the water depth is shallower than 

the specified depth.

Water Temperature

: Sounds when the water temperature 

varies more than ± 2 °F (± 1.1 °C). Alarm settings are saved 

when the device is turned off.

NOTE: 

You must connect the device to a temperature-

capable transducer to use this alarm.

System Settings

Select 

MENU

 > 

Setup

 > 

System

.

Language

: Sets the on-screen language.

System Information

: Allows you to view software information.

System Unit Settings

Select 

MENU

 > 

Setup

 > 

Units

.

Depth

: Sets the depth units to feet (ft), meters (m), or fathoms 

(ftm).

Temperature

: Sets the temperature units to Fahrenheit (°F) or 

Celsius (°C).

NOTE: 

You must have a temperature-reading transducer 

connected to display the temperature.

Appendix

Specifications

Specification

Model

Measurement

Temperature Range

echo 101 and 151 From 5° to 131°F (from 

-15° to 55°C)

echo 201, 301, and 
500 series

From 5° to 131°F (from 
-15° to 55°C)

Compass Safe 
Distance

echo 101 and 151  10 in. (250 mm)
echo 201 and 301 10 in. (250 mm)
echo 500 series

15.75 in. (400 mm)

Power Source 
Voltage Range

echo 101

From 10 to 20 V

echo 201, 301, and 
500 series

From 10 to 28 V

Rated Current

All models

1 A

Fuse

All models

AGC/3AG - 3.0 A

Freshwater Depth*

echo 151

1600 ft (488 m) @ 77 kHz

echo 201, 201dv, 
301, and 301dv

1750 ft. (533 m) @ 77 kHz

echo 500 and 
500dv series

2300 ft. (701 m) @ 77 kHz

*Depth capacity is dependent on water salinity, bottom type, 

and other water conditions.

Cleaning the Outer Casing

NOTICE

Avoid chemical cleaners and solvents that can damage plastic 

components.

1

Clean the outer casing of the device (not the screen) using a 

cloth dampened with a mild detergent solution.

2

Wipe the device dry.

Cleaning the Screen

NOTICE

Cleaners containing ammonia will harm the anti-reflective 

coating.

The device is coated with a special anti-reflective coating which 

is very sensitive to skin oils, waxes, and abrasive cleaners.

1

Apply an eyeglass lens cleaner specified as safe for anti-

reflective coatings to the cloth.

2

Gently wipe the screen with a soft, clean, lint-free cloth.

Software License Agreement

BY USING THE DEVICE, 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.

Appendix

3