Icom IC-2730E Instruction Manual page 10

1
PANEL DESCRIPTION
■ Main unit
Front panel
1
1 CONTROLLER CONNECTOR [CONTROLLER] (p. 63)
Connects to the Controller using the supplied control cable.
2 MICROPHONE CONNECTOR [MIC]
Connect the supplied or an optional microphone.
3 ANTENNA CONNECTOR (p. 67)
Connect a 50 Ω impedance antenna with a PL-259 connector.
The transceiver has a built-in duplexer, so you can use
a 144 and 430 MHz dual-band antenna without needing
an external duplexer. See page 67 for details of the
internal duplexer.
4 COOLING FAN
The cooling fan for heat dissipation.
You can select the Fan control option in EXMENU, to
automatically start rotating when you begin transmitting,
or continuously rotate from power ON. (p. 14)
5 DC POWER SOCKET [DC 13.8V]
Connect a 13.8 V DC power source through the supplied
DC power cable.
5
Rear panel
2 3 4
7
6 EXTERNAL SPEAKER JACK 2 [SP2]
7 EXTERNAL SPEAKER JACK 1 [SP1]
5
Connect an 8 ohm external speaker.
L See the following list for the speaker connection and audio
output details.
Ext. speaker
connection
6
status
SP-1 and SP-2
SP-1 only
SP-2 only
D Microphone connector information
1 8 V
2 MIC U/D
8 7 6 5 4 3 2 1
3 M8V SW HM-207 connection
Front panel
view
4 PTT
5 MIC E
6 MIC
7 GND
8 DATA IN
Audio output
External speaker
Internal speaker
SP-1 SP-2
Left band Right band
Both bands –
– Right band
+8 V DC output
Maximum 10 mA
Frequency Up/Down
UP: Ground
DN: Ground through 470 Ω
Grounds when the HM-207 is connected.
PTT input
Ground for transmission
Microphone ground
Microphone input
PTT ground
Inputs HM-207 data when the
HM-207 is connected.
–
–
Left band