![background image](http://html.mh-extra.com/html/icom/ic-m504a/ic-m504a_instruction-manual_612822063.webp)
57
9
CONNECTIONS AND MAINTENANCE
o
MICROPHONE CONNECTOR (p. 62)
Directly connects the supplied/optional microphone (HM-
126)*.
• If the connection cable is used for a longer distance remote op
-
eration, see page 62 for connection.
*Not supplied with some versions.
!0
DC POWER CONNECTOR
Connects the supplied DC power cable from this connec-
tor to an external 12 V battery.
CAUTION: After connecting the DC power cable, NMEA
IN/OUT leads, external speaker lead and hailer/foghorn
lead, cover the connector and leads with an adhesive tape
as shown below, to prevent water seeping into the trans-
ceiver.
Rubber vulcanizing
tape
D
Connect to the MA-500TR
Connect the transceiver to the MA-500TR
class
b
ais
trans
-
ponder
using the OPC-2014*
nmea
connector
cable
. After
connecting, an Individual DSC call can be made to the AIS
target using the transponder without entering the target’s
MMSI code.
* The OPC-2014 is supplied with the MA-500TR
• NMEA IN LEAD (Red)
Inner conductor: NMEA IN (+)
Connects to lead 3 of the OPC-2014.
Outer conductor: NMEA IN (−)
Connects to lead 2 of the OPC-2014.
• NMEA OUT LEAD (White)
Inner conductor: NMEA OUT (+)
Connects to lead 5 of the OPC-2014.
Outer conductor: NMEA OUT (−)
Connects to lead 4 of the OPC-2014.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Summary of Contents for IC-M504A
Page 1: ...INSTRUCTION MANUAL iM504A VHF MARINE TRANSCEIVER ...
Page 78: ......