Icom IC-M804 Instruction Manual - Page 7

PANEL DESCRIPTION, Main unit front panel

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■ Main unit front panel 1 FERRITE EMI FILTER 2 PANEL DESCRIPTION 1 13 12 FERRITE EMI FILTER 2 2 3 4 5 6 7 8 9 10 11 1 GROUND TERMINAL [GND] (p. 64) Connects to the vessel's ground. 2 DSC ANTENNA CONNECTOR (p. 62) Connects to a 50 Ω HF marine band antenna through a 50 Ω PL-259 coax for a DSC receiver. This antenna is used for receiving Distress calls. NOTE: To receive a Distress call, BE SURE to connect an HF marine band antenna to this antenna connector. Otherwise, you cannot receive any Distress calls. 3 SPEAKER JACK [SP] (p. 62) Connects to the optional SP-24E or an external speaker. NOTE: When an external speaker is connected, the internal speaker is automatically muted. 4 GPS JACK [GPS-DATA] (pp. 63, 71) Connects to a GPS receiver to input position and UTC data for DSC operations. (NMEA 0183 ver. 4.10 format) L An NMEA ver. 4.10 (sentence formatter: GGA, GLL, GNS, RMC, VTG) compatible GPS receiver is required. Ask your dealer about suitable GPS receivers. 5 CONTROLLER CONNECTOR [CONTROLLER] (p. 62) Connects to the supplied remote controller. 6 MODEM CONNECTOR [AF/MOD] (pp. 63, 71) Connects to an external terminal unit for SSB mode operation through an RS-232C cable (D-sub 9-pin). NOTE: When connecting an external unit, detach the cover. 7 REMOTE CONNECTOR [REMOTE] (pp. 63, 72) Connect a PC through a USB to RS-422A (D-sub 9 pin) cable for remote control. NOTE: When connecting an PC, detach the cover. 8 NMEA 2000 CONNECTOR [NMEA 2000] (pp. 63, 72) Connects to the NMEA 2000 network. NOTE: When connecting to the NMEA 2000 network, detach the cap. 9 GPS ANTENNA CONNECTOR [GPS-ANT] (p. 63) Connects to the supplied GPS antenna. NOTE: Install the GPS antenna where it has a clear view to receive signals from satellites. 10 ANTENNA CONNECTOR (p. 62) Connects to a dipole antenna or an automatic antenna tuner through a 50 Ω PL-259 coax to transmit and receive any calls other than Distress calls. R WARNING! NEVER directly connect the antenna to this connector. 11 TUNER CONTROL SOCKET [TUNER] (pp. 62, 71) Connects to the control cable of the supplied AT-141 HF AUTOMATIC ANTENNA TUNER. A female connector kit is supplied to connect the AT-141. 12 POWER SWITCH [DC ISOLATE] Turns the transceiver's main power ON or OFF. 13 DC POWER SOCKET [DC INPUT] (p. 65) Connects to a 12 or 24 V DC power source through the supplied DC power cables. The red terminal is positive (+), and the black terminal is negative (-). 2

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2
1
2
2
PANEL DESCRIPTION
1
GROUND TERMINAL [GND] (p. 64)
Connects to the vessel’s ground.
2
DSC ANTENNA CONNECTOR (p. 62)
Connects to a 50 Ω HF marine band antenna
through a 50 Ω PL-259 coax for a DSC receiver.
This antenna is used for receiving Distress calls.
NOTE:
To receive a Distress call,
BE SURE
to connect an HF marine band antenna to this
antenna connector. Otherwise, you cannot receive
any Distress calls.
3
SPEAKER JACK [SP] (p. 62)
Connects to the optional SP-24E or an external
speaker.
NOTE:
When an external speaker is connected,
the internal speaker is automatically muted.
4
GPS JACK [GPS-DATA] (pp. 63, 71)
Connects to a GPS receiver to input position and
UTC data for DSC operations. (NMEA 0183 ver. 4.10
format)
L
An NMEA ver. 4.10 (sentence formatter: GGA,
GLL, GNS, RMC, VTG) compatible GPS receiver
is required. Ask your dealer about suitable GPS
receivers.
5
CONTROLLER CONNECTOR [CONTROLLER]
(p. 62)
Connects to the supplied remote controller.
6
MODEM CONNECTOR [AF/MOD] (pp. 63, 71)
Connects to an external terminal unit for SSB mode
operation through an RS-232C cable (D-sub 9-pin).
NOTE:
When connecting an external unit, detach
the cover.
7
REMOTE CONNECTOR [REMOTE] (pp. 63, 72)
Connect a PC through a USB to RS-422A
(D-sub 9 pin) cable for remote control.
NOTE:
When connecting an PC, detach the cover.
8
NMEA 2000 CONNECTOR [NMEA 2000]
(pp. 63, 72)
Connects to the NMEA 2000 network.
NOTE:
When connecting to the NMEA 2000
network, detach the cap.
9
GPS ANTENNA CONNECTOR [GPS-ANT] (p. 63)
Connects to the supplied GPS antenna.
NOTE:
Install the GPS antenna where it has a
clear view to receive signals from satellites.
*
ANTENNA CONNECTOR (p. 62)
Connects to a dipole antenna or an automatic
antenna tuner through a 50 Ω PL-259 coax to transmit
and receive any calls other than Distress calls.
R
WARNING! NEVER
directly connect the
antenna to this connector.
+
TUNER CONTROL SOCKET [TUNER]
(pp. 62, 71)
Connects to the control cable of the supplied
AT-141 ±² ³´µ¶·³µ¸¹ ³ºµ»ºº³ µ´º»¼. A female
connector kit is supplied to connect the AT-141.
,
POWER SWITCH [DC ISOLATE]
Turns the transceiver’s main power ON or OFF.
-
DC POWER SOCKET [DC INPUT] (p. 65)
Connects to a 12 or 24 V DC power source through
the supplied DC power cables. The red terminal is
positive (+), and the black terminal is negative (–).
■
Main unit front panel
1
2
3
5
6
7
8
4
9
*
,
+
FERRITE EMI FILTER
-
FERRITE EMI FILTER