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9 CONNECTIONS AND MAINTENANCE
New2001
■ Connections
q DC POWER CONNECTOR
Connects the supplied DC power cable from this connector
to an external 12 V battery.
w EXTERNAL MICROPHONE JACK (IC-M402A only)
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 a GPS receiver for position indication.
• A NMEA0183 ver. 2.0 or 3.01 (sentence formatters RMC, GGA,
GNS, GLL) compatible GPS receiver is required. Ask your dealer
about suitable GPS receivers.
t EXTERNAL SPEAKER JACK
Connects to an external speaker. See p. 57 for available
external speakers.
CAUTION: After connecting the DC power cable, GPS re-
ceiver jack and external speaker jack, cover the connector
and jacks with an adhesive tape as shown below, to pre-
vent water seeping into the transceiver.
Rubber vulcanizing
tape
NMEA (+)
RCA
NMEA (—)
r
q
t
e
w
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