© 2011 Garmin Ltd. or its subsidiariesGarmin International, Inc.1200 East 151 st Street, Olathe, Kansas 66062, USAGarmin (Europe) Ltd.Liberty House, Hounsdown Business Park, Southampton, Hampshire, SO40 9LR UKGarmin CorporationNo. 68, Jangshu 2 nd Road, Sijhih, Taipei County, Taiwanwww.garmin.com© 2011 Garmin Ltd. or its subsidiariesAll 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 anypurpose 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 mediumto 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 noticeand 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 ororganization 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 Garminproducts.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.SpecificationsSpecification Device MeasurementSize 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 bailmount)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 (withbail 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 grayecho 200 W × H: 2.9 × 4 in. (74 × 101.6 mm),[diagonal: 5 in. (127 mm)] 480 × 320pixels, 16-level grayscale, HVGAecho 300c W × H: 2.1 × 2.8 in. (53.3 × 71.1mm) [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 × 234pixels, 256 colors, QVGAecho 550c W × H: 2.9 × 4 in. (74 × 101.6 mm),[diagonal: 5 in. (127 mm)] 640 × 480pixels, 256 colors, VGACase echo100/150/200/300c/500c/550cFully gasketed, high-impact plastic,waterproof to IEC 60529 IPX-7Specification Device MeasurementTemperatureRangeecho 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 SafeDistanceecho 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 kHzecho 150/200/300c/500c/550c77 kHz or 200 kHzPower SourceVoltage Rangeecho 100/150 10–20 Vdcecho200/300c/500c/550c10–28 VdcFuse echo 100/150/200/300c/500c/550cAGC/3AG - 3.0 ARated Current echo 100/150/200/300c/500c/550c1 ATransmitPower (RMS/peak to peak)echo 100 100 W/800 Wecho 150 200 W/1,600 Wecho 200/300c 300 W/2,400 Wecho 500c/550c 500 W/4,000 WFreshwaterDepth*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)SaltwaterDepth*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 waterconditions