110AppendixSafety InformationWARNING: The GPSMAP 276C contains a lithium ionrechargeable battery. The battery used in this device maypresent a risk of fire or chemical burn if mistreated. Do notrecharge out of the unit, disassemble, heat above 140°F (60°C),or incinerate.WARNING: If original battery must be removed forreplacement, dispose of used battery properly. Contact yourlocal waste disposal department for information on properdisposal of lithium-ion batteries. Keep used battery away fromchildren. Do not disassemble and do not dispose of in fire.WARNING: Only replace with Garmin Lithium-Ion BatteryPack (Garmin Part Number 010-10517-00). Use of anotherbattery may present a risk of fire or explosion.CAUTION: Use the GPSMAP 276C at your own risk. To reduce the risk of unsafe operation, care-fully review and understand all aspects of this Owner’s Manual – and thoroughly practice operation usingSimulator Mode prior to actual use. When in actual use, carefully compare indications from the GPSMAP276C to all available navigation sources, including information from other NAVAIDs, visual sightings,charts, etc. For safety, always resolve any discrepancies before continuing navigation.CAUTION: IT IS THE USER’S RESPONSIBILITY TO USE THIS PRODUCT PRUDENTLY. THISPRODUCT IS INTENDED TO BE USED ONLY AS A NAVIGATIONAL AID AND MUST NOT BE USEDFOR ANY PURPOSE REQUIRING PRECISE MEASUREMENT OF DIRECTION, DISTANCE, LOCATIONOR TOPOGRAPHY. THIS PRODUCT SHOULD NOT BE USED TO DETERMINE GROUND PROXIM-ITY FOR AIRCRAFT NAVIGATION.CAUTION: The electronic chart is an aid to navigation and is designed to facilitate the use of au-thorized government charts, not replace them. Only official government charts and notices to marinerscontain all information needed for save navigation – and, as always, the user is responsible for theirprudent use.MAP DATA INFORMATION: One of the goals of Garmin is to provide customers with the mostcomplete and accurate cartography that is available to us at a reasonable cost. We use a combination ofgovernmental and private data sources, which we identify as required in product literature and copyrightmessages displayed to the consumer. Virtually all data sources contain inaccurate or incomplete data tosome degree. This is particularly true outside the United States, where complete and accurate digital datais either not available or prohibitively expensive.WARNING: The Global Positioning System (GPS) is operated by the United States government,which is solely responsible for its accuracy and maintenance. The system is subject to changes whichcould affect the accuracy and performance of all GPS equipment. Although the Garmin GPSMAP 276Cis a precision electronic NAVigation AID (NAVAID), any NAVAID can be misused or misinterpreted, andtherefore become unsafe.