SP3520 VHF GMDSS User Manual Brandname: Sailor Category: Transceiver Total Pages: 44 Table of contents EmergencyProcedure2Sp3520VhfGmdss3Precautions4TrainingInformation5Contents7ChapterEquipment8Chapter19Performance10Chapter211KeyPresses12TheDisplay13UsingTheVhfGmdss14ActivatingACall15UsingDualWatch16OtherFunctions17ConfiguringTheVhfGmdss18ConfigurationSettings19Chapter321TheSecondaryBattery22TheBatteryCharger23ConnectingToPower24Chapter425ImpactOnRadioOperation26Accessories27AccessoriesYouMayBuy28ToAttach29Chapter531AppendixA33Transmitter34BatteryLifeGuidelines35MountingPossibillities37AppendixB39