AppendixSpecificationsSpecification Model MeasurementTemperature Range echo 101 and 151 From 5° to 131°F (from-15° to 55°C)echo 201, 301, and500 seriesFrom 5° to 131°F (from-15° to 55°C)Compass SafeDistanceecho 101 and 151 10 in. (250 mm)echo 201 and 301 10 in. (250 mm)echo 500 series 15.75 in. (400 mm)Power SourceVoltage Rangeecho 101 From 10 to 20 Vecho 201, 301, and500 seriesFrom 10 to 28 VRated Current All models 1 AFuse All models AGC/3AG - 3.0 AFreshwater Depth* echo 151 1600 ft (488 m) @ 77 kHzecho 201, 201dv,301, and 301dv1750 ft. (533 m) @ 77 kHzecho 500 and500dv series2300 ft. (701 m) @ 77 kHz*Depth capacity is dependent on water salinity, bottom type,and other water conditions.Cleaning the Outer CasingNOTICEAvoid chemical cleaners and solvents that can damage plasticcomponents.1 Clean the outer casing of the device (not the screen) using acloth dampened with a mild detergent solution.2 Wipe the device dry.Cleaning the ScreenNOTICECleaners containing ammonia will harm the anti-reflectivecoating.The device is coated with a special anti-reflective coating whichis 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 AgreementBY USING THE DEVICE, YOU AGREE TO BE BOUND BYTHE TERMS AND CONDITIONS OF THE FOLLOWINGSOFTWARE LICENSE AGREEMENT. PLEASE READ THISAGREEMENT CAREFULLY.Garmin Ltd. and its subsidiaries (“Garmin”) grant you a limitedlicense to use the software embedded in this device (the“Software”) in binary executable form in the normal operation ofthe product. Title, ownership rights, and intellectual propertyrights in and to the Software remain in Garmin and/or its third-party providers.You acknowledge that the Software is the property of Garminand/or its third-party providers and is protected under the UnitedStates of America copyright laws and international copyrighttreaties. You further acknowledge that the structure,organization, and code of the Software, for which source code isnot provided, are valuable trade secrets of Garmin and/or itsthird-party providers and that the Software in source code formremains a valuable trade secret of Garmin and/or its third-partyproviders. You agree not to decompile, disassemble, modify,reverse assemble, reverse engineer, or reduce to humanreadable form the Software or any part thereof or create anyderivative works based on the Software. You agree not toexport or re-export the Software to any country in violation ofthe export control laws of the United States of America or theexport control laws of any other applicable country.6 Appendix