5 GPSMAP 76CSx Owner’s ManualappendIxCaring for the GPSM�P 76CSxThe GPSMAP 76CSx case is constructed ofhigh quality materials and does not require usermaintenance except cleaning.Cleaning the CaseClean the unit’s outer casing (except for the screen)using a cloth dampened with a mild detergent solutionand then wipe dry. Avoid chemical cleaners andsolvents that may damage plastic components.Cleaning the ScreenThe unit’s lens is coated with a special anti-reflectivecoating that is sensitive to skin oils, waxes andabrasive cleaners. Cleaners containing ammonia,alcohol, abrasives, or anti-grease detergents will harmthe anti-reflective coating. It is important to clean thelens using an eyeglass lens cleaner (that is specified assafe for anti-reflective coatings) and a clean, lint-freecloth.StorageDo not store the GPSMAP 76CSx where prolongedexposure to temperature extremes may occur (suchas in the trunk of a car) as permanent damage mayresult. User information, such as waypoints and routesare retained in the unit’s memory without the needfor external power. It is always a good practice toback up important user data by manually recordingit or downloading it to a computer (transferring it toMapSource).Water ImmersionThe unit is waterproof to IEC Standard 60529 IPX7.It can withstand immersion in 1 meter of water for 30minutes. Prolonged submersion can cause damage tothe unit. After submersion, be certain to wipe and airdry the unit before reuse.