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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-M503.
RWARNING! NEVER connect the transceiver to an AC
outlet. This may pose a fire hazard or result in an electric
shock.
NEVER connect the transceiver to a power source of more
than 15.6 V DC or using reverse polarity. This will ruin the
transceiver.
NEVER cut the DC power cable between the DC plug and
fuse holder. If an incorrect connection is made after cutting,
the transceiver may be damaged.
NEVER place the transceiver where normal operation of the
vessel may be hindered or where it could cause bodily injury.
KEEP the transceiver at least 1 m away from the ship’s nav-
igation compass.
DO NOT use or place the transceiver in areas with temper-
atures below –20°C or above +60°C or, in areas subject to di-
rect sunlight, such as the cockpit.
AVOID the use of chemical agents such as benzine or al-
cohol when cleaning, as they may damage the transceiver
surfaces.
BE CAREFUL! The transceiver rear panel will become
hot when operating continuously for long periods.
BE CAREFUL! The optional HM-134 remote-control mi-
crophone’s rear panel will become hot when monitoring con-
tinuously for long periods.
Place the transceiver in a secure place to avoid inadvertent
use by children.
After exposure to salt water, clean the transceiver thoroughly
with fresh water to avoid corrosion.
CAUTIONS
IMPORTANT
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