■
Main unit
q
GROUND TERMINAL
IMPORTANT!
Connects a ship’s ground. See
page 56 for details.
w
DC POWER TERMINALS
(pgs. 54, 57)
Accepts 24 V DC through the supplied DC power
cables.
Red terminal is for positive and black terminal is for
negative connection.
e
DC ISOLATE SWITCH [DC ISOLATE]
(p. 54)
Turns the transceiver’s main power ON and OFF.
r
TUNER CONTROL SOCKET
(pgs. 54, 58)
Connects a control cable to the antenna tuner, AT-
141.
A female connector kit is supplied for antenna tuner
connection.
t
ANTENNA CONNECTOR 1
(pgs. 54, 58)
Connects a 50
Ω
HF band antenna via a 50
Ω
matched coaxial cable with a PL-259 plug for both
transmit and receive operation.
y
PRINTER CONNECTOR
(pgs. 55, 66)
Connects an IBM
®
centronics or compatible printer
to print out received DSC information automatically
or manually.
u
REMOTE CONNECTOR [REMOTE]
(pgs. 55, 65)
Connects to a PC via an RS-232C cable (D-sub 9-
pin) for remote control in the NMEA or RS-232C for-
mat.
i
MODEM CONNECTOR [AF/MOD]
(pgs. 55, 65)
Connects to an NBDP (Narrow Band Direct Print-
ing) or FAX system via a D-sub 9-pin cable.
o
CONTROLLER CONNECTOR [CONTROLLER]
(p. 54)
Connects the supplied remote controller, RC-
25GMDSS.
!0
GPS CONNECTOR [GPS]
(p. 55)
Input position and UTC data (NMEA0183 ver. 3.01
format), such as from a GPS receiver, etc., for set-
ting your positioning and time data automatically
without manual input for DSC operation.
!1
SPEAKER JACK [SP]
(p. 54)
Connects the supplied external speaker, SP-24E.
!2
ANTENNA CONNECTOR 2
(p. 54)
Connects a 50
Ω
HF band antenna via a 50
Ω
matched coaxial cable with a PL-259 plug for DSC
receiver.
IMPORTANT!:
An HF antenna should be con-
nected to this antenna connector,
otherwise no DSC call can be re-
ceived.
NMEA IN (+)
RCA
NMEA IN (–)
4
2
PANEL DESCRIPTION
q
w
e
r
t
y
u
i
o
!0
!1
!2
✔
For detailed “ANTENNA AND GROUNDING CON-
SIDERATIONS,” see pages 73 to 75.