Icom IC-M504 - Manual (Page 64)

58
CONNECTIONS AND MAINTENANCE
9
■ Connections
q NMEA IN LEAD (Red)
Connects to a GPS receiver for position indication.
• A NMEA0183 ver. 2.0 or 3.01 (sentence formatters RMC, GGA,
GNS, GLL and VTG) compatible GPS receiver is required. Ask
your dealer about suitable GPS receivers.
w NMEA OUT LEAD (White)
Connects to a PC or navigation equipment (NMEA0183
ver. 3.01 sentence formatters DSC, DSE compatible) for
position data received from other ships.
e EXTERNAL SPEAKER LEAD (Yellow)
Connects to an external speaker.
r HAILER/FOGHORN (–) LEAD (Black)
Connects to a hailer speaker (25 W nominal at 13.8 V/4
Ω
).
t HAILER/FOGHORN (+) LEAD (Blue)
Connects to a hailer speaker (25 W nominal at 13.8 V/4
Ω
).
y 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.
u GROUND TERMINAL
Connect this terminal to a vessel ground to prevent electri-
cal shocks and interference from other equipment occur-
ring. Use a self-tapping screw (3
×
8 mm.)
i EXTERNAL MICROPHONE JACK
Connects the optional command microphone.
o MICROPHONE CONNECTOR
Connects the supplied microphone depending on version.
Ask your dealer for details.
!0 DC POWER CONNECTOR
Connects the supplied DC power cable from this connector
to an external 12 V battery.
Do not
loose!
!0
r
t
y
w
q
e
u
Ferrite core*
i
o