WARNING: See the Important Safety and Product Informationguide in the product box for product warnings and otherimportant information.Caring for the GPSMAP 580/585The case is constructed of high-quality materials and does notrequire user maintenance, except cleaning.Cleaning the CaseClean the outer casing of the unit (except for the screen) using acloth dampened with a mild detergent solution and then wipe dry.Avoid chemical cleaners and solvents that may damage plasticcomponents.Cleaning the ScreenThe unit’s lens is coated with a special anti-reflective coating thatis sensitive to skin oils, waxes and abrasive cleaners. Cleanerscontaining ammonia, alcohol, abrasives, or anti-grease detergentswill harm the anti-reflective coating. It is important to clean the lensusing an eyeglass lens cleaner (that is specified as safe for anti-reflective coatings) and a clean, lint-free cloth.Water ImmersionThe unit is waterproof to IEC Standard 60529 IPX7. It canwithstand immersion in 1 meter of water for 30 minutes. Prolongedsubmersion can cause damage to the unit. After submersion, becertain to wipe and air dry the unit before reuse.StorageDo not store the GPSMAP 580/585 where prolonged exposure totemperature extremes might occur (such as in the trunk of a car) aspermanent damage could result.iv GPSMAP 580/585 Owner’s ManualCaring for the GPSMAP 580/585