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FOREWORD
Thank you for purchasing this Icom radio. The IC-M304
VHF
MARINE TRANSCEIVER
is designed and built with Icom’s state
of the art technology and craftsmanship. With proper care,
this radio should provide you with years of trouble-free oper-
ation.
We hope you agree with Icom’s philosophy of “technology
first.” Many hours of research and development went into the
design of your IC-M304.
D
FEATURES
❍ Large 2-digit Channel with scrolling comment
❍ New Force5Audio
speaker
❍ Built-in DSC meets RTCM SC101 requirement
❍ Submersible construction
❍ Favorite channel function
❍ AquaQuake water draining function
IMPORTANT
READ ALL INSTRUCTIONS carefully and completely
before using the transceiver.
SAVE THIS INSTRUCTION MANUAL — This in-
struction manual contains important operating instructions for
the IC-M304.
EXPLICIT DEFINITIONS
WORD DEFINITION
R WARNING!
CAUTION
NOTE
Personal injury, fire hazard or electric shock
may occur.
Equipment damage may occur.
Recommended for optimum use. No risk of
personal injury, fire or electric shock.
CLEAN THE TRANSCEIVER AND MICROPHONE THOR-
OUGHLY WITH FRESH WATER after exposure to water
including salt water, otherwise, the keys and switches may
become inoperable 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.
FORCE5AUDIO logo is a registered trademark of Icom Incorporated (Japan) in
the United States.