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FOREWORD
Thank you for purchasing this Icom product. The IC-M21 VHF
MARINE TRANSCEIVER is designed and built with Icom’s su-
perior technology and craftsmanship. With proper care this
product should provide you with years of trouble-free operation.
IMPORTANT
READ ALL INSTRUCTIONS carefully and com-
pletely before using the transceiver.
SAVE THIS INSTRUCTION MANUAL—This in-
struction manual contains important operating instructions for
the IC-M21.
EXPLICIT DEFINITIONS
FEATURES
☞ Water resistant construction
Built tough to withstand the punishing marine environ-
ment, the IC-M21 meets JIS water resistant specification
grade 7 while using BP-223 or BP-224.
☞ Dual watch and tri-watch functions*
Convenient functions which allow you to monitor the dis-
tress channel (Ch 16) while receiving a channel of your
choice—dual watch; or monitor the distress channel and
another channel while receiving a channel of your
choice—tri-watch.
*This function may not be available depending on version.
☞ Large, easy-to-read LCD
With dimensions of 24(H) × 35(W) mm, the IC-M21’s func-
tion display is easy to read and shows operating condi-
tions at a glance. Backlighting and contrast can be
adjusted to suit your preferences.
☞ Simple operation
Ergonomic design with a minimum number of switches
and controls provides simple intuitive operation.
WORD DEFINITION
RWARNING
Personal injury, fire hazard or electric shock
may occur.
CAUTION
Equipment damage may occur.
NOTE
If disregarded, inconvenience only. No risk
of personal injury, fire or electric shock.