iiFORWORDThank 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) isavailable❍ Easy to make individual DSC calls using Icom'sMA-500TR Class B AIS TransponderIMPORTANTREAD ALL INSTRUCTIONS carefully and completelybefore using the transceiver.SAVE THIS INSTRUCTION MANUAL — This in-struction manual contains important operating instructionsfor the IC-M505.EXPLICIT DEFENITIONSWORD DEFINITIONRWARNING! Personal injury, fire hazard or electricshock may occur.CAUTION Equipment damage may occur.NOTE If disregarded, inconvenience only. No riskof personal 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.