![background image](http://html1.mh-extra.com/html/icom/ic-m603/ic-m603_instruction-manual_2037984052.webp)
46
CONNECTIONS AND MAINTENANCE
New2001
New2001
9
■
Connections
q
ANTENNA CONNECTOR
Connects a marine VHF antenna with a PL-259 connector
to the transceiver.
CAUTION:
Transmitting without an antenna will damage
the transceiver.
w
MICROPHONE CONNECTOR
Connect the supplied microphone only.
CAUTION: NEVER
connect other microphones here,
such as the optional HM-162E, for they may cause dam-
age to the transceiver.
e
HAILER/FOGHORN CONNECTOR
Connects a hailer speaker (30 W nominal at 13.8 V/ 4
Ω
).
r
EXTERNAL MICROPHONE CONNECTORS
[COMMAND MIC-1]/[COMMAND MIC-2]
Connects the optional COMMANDMICIII™ (HM-162E.)
CAUTION: NEVER
connect other microphone here, such
as the HM-134, may cause damage to the transceiver.
t
GPS RECEIVER/EXTERNAL SPEAKER CONNECTOR
➥
Connects 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 a PC or navigation equipment (NMEA0183
ver. 3.01 sentence formatters DSC, DSE compatible) for
plotting received other ships position data.
➥
Connects an external speaker.
NOTE:
Attach the supplied connector covers to
w
,
e
,
r
or
t
when they are not in use.
y
DC POWER CONNECTOR
Connects the supplied DC power cable from this connector
to an external 13.8 V DC power source.
NMEAOUT (+)
NMEAOUT (–)
NMEAIN (+)
NMEAIN (–)
SP (+)
SP (–)
Transceiver’s rear panel view
HAIL (+)
HAIL (–)
NC
Transceiver’s
rear panel view
y
q
r
t
w
e
!IC-M603.qxd 06.7.28 1:46 PM Page 46 (1,1)