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© 2011 Garmin Ltd. or its subsidiaries

Garmin International, Inc. 

1200 East 151

st

 Street, Olathe, Kansas 66062, USA

Garmin (Europe) Ltd. 

Liberty House, Hounsdown Business Park, Southampton, Hampshire, SO40 9LR UK

Garmin Corporation 

No. 68, Jangshu 2

nd

 Road, Sijhih, Taipei County, Taiwan

www.garmin.com

© 2011 Garmin Ltd. or its subsidiaries
All rights reserved. Except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted, disseminated, downloaded or stored in any storage medium, for any 

purpose without the express prior written consent of Garmin. Garmin hereby grants permission to download a single copy of this manual onto a hard drive or other electronic storage medium 

to be viewed and to print one copy of this manual or of any revision hereto, provided that such electronic or printed copy of this manual must contain the complete text of this copyright notice 

and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited.
Information in this document is subject to change without notice. Garmin reserves the right to change or improve its products and to make changes in the content without obligation to notify any person or 

organization of such changes or improvements. Visit the Garmin Web site (

www.garmin.com

) for current updates and supplemental information concerning the use and operation of this and other Garmin 

products.
Garmin

®

 and the Garmin logo are registered trademarks of Garmin Ltd. or its subsidiaries, registered in the USA and other countries. echo

, and myGarmin

 are trademarks of Garmin Ltd. or its subsidiaries. 

These trademarks may not be used without the express permission of Garmin.

Specifications

Specification Device

Measurement

Size

echo 100/150/300c

W × H × D: 4.1 × 5.8 × 2.8 in. (104 

× 147 × 71 mm)

echo 200/500c/550c W × H × D: 6 × 5.9 × 1.8 in. (152 × 

150 × 46 mm)

Weight 

(without bail 

mount)

echo 100/150/300c

9.5 oz. (270 g)

echo 200

14.7 oz. (416 g)

echo 500c

18.5 oz. (524 g)

echo 550c

18.8 oz. (533 g)

Weight (with 

bail mount)

echo 100/150/300c

14.5 oz. (410 g)

echo 200

19.6 oz. (556 g)

echo 500c

23.4 oz. (664 g)

echo 550c

23.7 oz. (673 g)

Display

echo 100/150

W × H: 2.4 × 3.2 in. (60.5 mm × 

81.5 mm) [diagonal: 4 in. (102 mm)], 

256 × 160 pixels, 8-level gray

echo 200

W × H: 2.9 × 4 in. (74 × 101.6 mm), 

[diagonal: 5 in. (127 mm)] 480 × 320 

pixels, 16-level grayscale, HVGA

echo 300c

W × H: 2.1 × 2.8 in. (53.3 × 71.1 

mm) [diagonal: 3.5 in (88.9 mm)]

echo 500c

W × H: 2.9 × 4 in. (74 × 101.6 mm), 

[diagonal: 5 in. (127 mm)] 320 × 234 

pixels, 256 colors, QVGA

echo 550c

W × H: 2.9 × 4 in. (74 × 101.6 mm), 

[diagonal: 5 in. (127 mm)] 640 × 480 

pixels, 256 colors, VGA

Case

echo 

100/150/200/300c/ 

500c/550c

Fully gasketed, high-impact plastic, 

waterproof to IEC 60529 IPX-7

Specification Device

Measurement

Temperature 

Range

echo 100/150/200/

From 5°F to 158°F 

(from -15°C to 70°C)

echo 300c/500c/550c From 5°F to 131°F 

(from -15°C to 55°C)

Compass Safe 

Distance

echo 100/150/200

10 in. (250 mm)

echo 300c

13.8 in. (350 mm)

echo 500c/550c

15.75 in. (400 mm)

Frequency

echo 100

200 kHz

echo 150/200/300c/ 

500c/550c

77 kHz or 200 kHz

Power Source 

Voltage Range

echo 100/150

10–20 Vdc

echo 

200/300c/500c/550c

10–28 Vdc

Fuse

echo 100/150/ 

200/300c/500c/550c

AGC/3AG - 3.0 A

Rated Current echo 100/150/ 

200/300c/500c/550c

1 A

Transmit 

Power (RMS/

peak to peak)

echo 100

100 W/800 W

echo 150

200 W/1,600 W

echo 200/300c

300 W/2,400 W

echo 500c/550c

500 W/4,000 W

Freshwater 

Depth*

echo 100

600 ft. (183 m)

echo 150

1,300 ft. (396 m)

echo 200/300c

1,500 ft. (457 m)

echo 500c/550c

1,900 ft. (579 m)

Saltwater 

Depth*

echo 100

300 ft. (91 m)

echo 150

500 ft. (152 m)

echo 200/300c

600 ft. (183 m)

echo 500c/550c

700 ft. (213 m)

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

conditions

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