GDL 30/30A Owner’s Manual unIt overvIewPower/DataConnectorLED Status IndcatorMountng HolesWeather CapNetwork PortAntenna Connector Audo Connector(GDL 30A only)Packing List and AccessoriesBefore installing your unit, please check to see that your package includesthe following items. If any parts are missing, contact your Garmin dealerimmediately.Standard PackageGDL 30 or 30A unit7-pin power cableGarmin marine network cable (6 ft)Installation InstructionsOwner’s ManualGA 31 Antenna with cableAudio cable (GDL 30A only)Grommet••••••••Optional AccessoriesGMS 10 Network Port ExpanderGarmin marine network cables(20 ft and 40 ft)••Caring for the UnitThe case is constructed of high-quality materials and does not require usermaintenance, except cleaning.Cleaning the CaseClean the unit’s outer casing using a cloth dampened with a mild detergentsolution and then wipe dry. Avoid chemical cleaners and solvents that maydamage plastic components.Water ImmersionThe unit is waterproof to IEC Standard 60529 IPX7. It can withstand immersionin 1 meter of water for 30 minutes. Prolonged submersion can cause damage tothe unit. After submersion, be certain to wipe and air dry the unit before reuse.StorageDo not store the unit where exposure to temperature extremes may occur, aspermanent damage may result.Servicing Your UnitThe Garmin GDL 30/30A has no user-serviceable parts. Should you everencounter a problem with your unit, take it to an authorized Garmin dealer forrepairs or contact Garmin Product Support.The GDL 30/30A is fastened shut with screws. Any attempt to open the caseto change or modify the unit in any way voids your warranty and may result inpermanent damage to the equipment.unIt overvIew