i
FOREWORD
Thank you for purchasing this Icom product. The
IC-M422
VHFMARINE TRANSCEIVER
is designed and built with
Icom’s state of the art technology and craftsmanship. With
proper care, this product should provide you with years of
trouble-free operation.
We want to take a couple of moments of your time to thank
you for making the IC-M422 your radio of choice, and hope
you agree with Icom’s philosophy of “technology first.” Many
hours of research and development went into the design of
your IC-M422.

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FEATURES

❍Simple operation with large keys
❍Easy to hear speaker
❍Built-in DSC meets RTCM SC101 requirement
❍Rugged waterproof construction
❍Optional COMMANDMIC II™
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-M422.
EXPLICIT DEFINITIONS
WORD DEFINITION
RWARNING!
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-
OUGHLYWITH 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.
COMMANDMIC II is a trademark of Icom Incorporated (Japan) in the United
States.