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9
CONNECTIONS AND MAINTENANCE
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Connections
q
DC POWER CONNECTOR
Connects the supplied DC power cable from this connector
to an external 13.8 V DC power source.
w
EXTERNAL MICROPHONE JACKS
Connects to optional HM-127
REMOTE-CONTROL MICRO-
PHONE
.
CAUTION: NEVER
connect other microphones, such
as the HM-134, as this may cause damage to the transceiver.
e
ANTENNA CONNECTOR
Connects a marine VHF antenna with a PL-259 connector.
CAUTION:
Transmitting without an antenna may dam-
age the transceiver.
r
NMEA IN (Red)/NMEA OUT (White) JACKS
Connects to a GPS receiver for position and time indica-
tions.
• An 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.
Connects to a PC or navigation equipment (NMEA0183
ver. 3.01 sentence formatters DSC, DSE compatible) for
plotting received other ships position data.
t
EXTERNAL SPEAKER JACK
➥
Connects to an external speaker.
CAUTION:
After connecting the DC power cable, NMEA
IN/OUT jacks and external speaker jack cover the connec-
tor and jacks with a rubber vulcanising tape as shown
below, to prevent water seeping into the transceiver.
Rubber vulcanizing
tape
NMEA OUT (+)
RCA
NMEA OUT (–)
NMEA IN (+)
RCA
NMEA IN (–)
q
w
e
t
r
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