User manual GARMIN ECHO 551C

[. . . ] Supplement depth data readings with information from applicable paper charts and visual indicators. Always operate the boat at slow speeds if you suspect shallow water or submerged objects. Failure to heed this warning could lead to boat damage or personal injury. [. . . ] Your device may use an internal, non-user-replaceable battery for various purposes, such as the real-time clock. When disposing of the unit, take it to a professional service, such as a waste electronics treatment facility, to have the battery removed and recycled. Device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and may cause harmful interference to radio communications if not installed and used in accordance with the instructions. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures: · Connect the equipment into an outlet that is on a different circuit from the GPS unit. To obtain warranty service, contact your local Garmin authorized dealer or call Garmin Product Support for shipping instructions and an RMA tracking number. Securely pack the device and a copy of the original sales receipt, which is required as the proof of purchase for warranty repairs. Write the tracking number clearly on the outside of the package. send the device , freight charges prepaid , to any Garmin warranty service station. Online Auction Purchases: Products purchased through online auctions are not eligible for warranty coverage. online auction confirmations are not accepted for warranty verification. To obtain warranty service, an original or copy of the sales receipt from the original retailer is required. Garmin will not replace missing components from any package purchased through an online auction. [. . . ] To obtain warranty service, an original or copy of the sales receipt from the original retailer is required. Garmin will not replace missing components from any package purchased through an online auction. International Purchases: A separate warranty may be provided by international distributors for devices purchased outside the United States depending on the country. [. . . ]