FOREWORDThank you for purchasing this Icom radio. The IC-M72 vhf ma-rine transceiver is designed and built with Icom’s state of theart technology and craftsmanship. With proper care this prod-uct should provide you with years of trouble-free operation.IMPORTANTREAD ALL INSTRUCTIONS carefully and com-pletely before using the transceiver.SAVE THIS INSTRUCTION MANUAL—Thisinstruction manual contains important operating instructionsfor the IC-M72.EXPLICIT DEFINITIONSWORD DEFINITIONRDANGER Personal death, serious injur y or anexplosion may occur.RWARNING 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.FEATURES☞ Submersible constructionBuilt tough to withstand the punishing marine environ-ment, the IC-M72’s submersible construction meets IPX8of the corresponding International Standard IEC 60529(2001) while using BP-245N.In addition, the new speaker grill structure with a waterself-draining function is helpful for draining water or sea-water easily.☞ Dualwatch and tri-watch functionsConvenient functions that allow you to monitor the dis-tress channel (Ch 16) while receiving one other channel ofyour choice (dualwatch) , or while receiving one other chan-nel of your choice and the call channel (Ch 09) (tri-watch).See p. 16 for details.☞ Large, easy-to-read LCDWith the generous dimensions of 22.5(H) × 31.5(W) mm;7 ⁄8 (H) × 11⁄4 (W) inch, the IC-M72’s function display is easyto read and shows operating conditions at a glance. Back-lighting and contrast can be adjusted to suit your prefer-ences.☞ Simple operationThe volume knob is on top of the radio, while the channelbuttons are on the front panel. This allows for convenient,one-handed operation.iiiNew2001