Connections And Maintenance; I Connections - Icom iM304 Instruction Manual

I Connections

q
w
q EXTERNAL SPEAKER LEAD
Connects to an external speaker.
Blue: Speaker (+)
Gray: Speaker ( )
w GPS RECEIVER LEAD
Connects to a GPS receiver for position indication.
• 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.
Yellow: NMEA IN (+)
Green: NMEA IN ( )

CONNECTIONS AND MAINTENANCE

e
r
e 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, GPS
receiver lead and external speaker lead, cover the con-
nector and leads with an adhesive tape as shown
below, to prevent water seeping into the transceiver.
Rubber vulcanizing
tape
r 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.
8
7
8
31