iFOREWORDThank you for purchasing this Icom product. The IC-M505VHF MARINE TRANSCEIVER is designed and built with Icom’sstate of the art technology and craftsmanship. With propercare, this product should provide you with years of trouble-free operation.We want to take a couple of moments of your time to thankyou for making the IC-M505 your radio of choice, and hopeyou agree with Icom’s philosophy of “technology first.” Manyhours of research and development went into the design ofyour IC-M505.D FEATURES❍ Simple operation with large keys❍ Easy to hear speaker❍ Built-in DSC meets ITU Class D requirement❍ Rugged waterproof construction❍ Optional COMMANDMIC III™ (HM-162E) isavailableIMPORTANTREAD ALL INSTRUCTIONS carefully and completelybefore using the transceiver.SAVE THIS INSTRUCTION MANUAL — This in-struction manual contains important operating instructions forthe IC-M505.EXPLICIT DEFINITIONSWORD DEFINITIONR WARNING!CAUTIONNOTEPersonal injury, fire hazard or electric shockmay occur.Equipment damage may occur.Recommended for optimum use. No risk ofpersonal injury, fire or electric shock.CLEAN THE TRANSCEIVER AND MICROPHONE THOR-OUGHLY WITH FRESH WATER after exposure to waterincluding salt, otherwise, the keys and switch may becomeinoperable due to salt crystallization.Icom, Icom Inc. and the logo are registered trademarks of Icom Incor-porated (Japan) in the United States, the United Kingdom, Germany, France,Spain, Russia and/or other countries.COMMANDMIC III is a trademark of Icom Incorporated (Japan) in the UnitedStates.