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9
CONNECTIONS AND MAINTENANCE
■ Connections
q DC POWER CONNECTOR
Connects the supplied DC power cable from this connector
to an external 12 V DC power source.
w EXTERNAL MICROPHONE JACK
Connects to optional HM-127
REMOTE-CONTROL MICRO-
PHONE.
e ANTENNA CONNECTOR
Connects a marine VHF antenna with a PL-259 connector
to the transceiver.
CAUTION: Transmitting without an antenna may dam-
age the transceiver.
r GPS RECEIVER JACK
Connects to an optional GPS receiver to input the position
data and time data.
•AGPS receiver appropriate for the IC-M502 is not supplied from
Icom. An NMEA0183 ver. 2.0 is required for position or time indi-
cation, etc. Ask your dealer about the GPS receiver.
t EXTERNAL SPEAKER JACK
Connects to an external speaker. See ‘Options’ on p. 43
for available external speakers.
MICROPHONE HANGER
Rest the supplied microphone on the hanger when not in
use.
CAUTION: After connecting the DC power cable, GPS
receiver jack and external speaker jack, cover the connec-
tor and jacks with an adhesion tape as shown below to
prevent water seeping into the transceiver.
Adhesion
tape
NMEA (+)
RCA
NMEA (–)
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