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9
CONNECTIONS AND MAINTENANCE
■ Connections
q ANTENNA CONNECTOR
Connects a marine VHF antenna with a PL-259 connector.
CAUTION: Transmitting without an antenna may dam-
age the transceiver.
w HAILER/FOGHORN CONNECTOR
Connects to a hailer speaker (25 W or more/4Ω).
e EXTERNAL MICROPHONE JACKS
Connects to optional HM-134
REMOTE-CONTROL MICRO-
PHONE.
CAUTION: NEVER
connect other microphones, such
as the HM-137, may cause damage to the transceiver.
r GPS RECEIVER/EXTERNAL SPEAKER JACK
➥Connects to a GPS receiver for position and time indi-
cations.
•An NMEA0183 ver. 2.0 (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.
➥Connects to an external speaker.
t DC POWER CONNECTOR
Connects the supplied DC power cable from this connector
to an external 13.8 V DC power source.
CAUTION: After connecting the DC power cable, cover
the connectors with a rubber vulcanising tape as shown
below, to prevent water seeping into the transceiver.
