ICOM IC-703 Manuale Utente

PANEL DESCRIPTION

■Rear panel

qANTENNA CONNECTOR [ANT] (p. 13)

Accepts a 50

Ω antenna with a PL-259 connector.

wGROUND TERMINAL [GND] (p. 11)

Connect this terminal to a ground to prevent electri-
cal shocks, TVI, BCI and other problems.

eDATA SOCKET [DATA] (pgs. 8, 14)

6-pin min DIN socket to connect a TNC (Terminal
Node Controller), etc. for packet operation.

• See page at right for socket information.

rACCESSORY SOCKET [ACC] (pgs. 8, 14)

Enables connection to external equipment such as a
TNC for data communications, a linear ampliﬁer or
an automatic antenna selector/tuner, etc.

• See page at right for socket information.

tEXTERNAL SPEAKER JACK [EXT SP] (p. 14)

Accepts a 4–8

Ω speaker.

yCI-V REMOTE CONTROL JACK [REMOTE] (p. 71)

➥Designed for use with a personal computer for re-

mote control of the transceiver functions.

➥Used for transceiver operation with another Icom

CI-V transceiver or receiver.

uMICROPHONE CONNECTOR [MIC] (p. 13)

Accepts the supplied microphone (connected in par-
allel with the front panel’s [MIC] connector).

• See p. 2 for microphone notes.
• See p. 10 for microphone connector information.

iELECTRONIC KEYER JACK [KEY] (p. 28)

Accepts a paddle to activate the internal electronic
keyer.

• Selection between the internal electronic keyer and

straight key operation can be made in keyer set mode.
(p. 32)

If you use an external electronic keyer, make sure
the voltage retained by the keyer is less than 0.4 V
when the key is ON.

oTUNER CONTROL SOCKET [TUNER] (p. 14)

Accepts the control cable from an optional AH-4

/50

AUTOMATIC ANTENNA TUNER

!0DC POWER SOCKET [DC13.8V] (p. 15)

Accepts 9.0–15.87 V DC through the supplied DC
power cable.

NOTE: DO NOT use a cigarette lighter socket as a
power source when operating in a vehicle. The plug
may cause voltage drops and ignition noise may be
superimposed onto transmit or receive audio.

When connecting
a straight key

When connecting
a paddle

(dot)
(com)
(dash)

(

⊕)

t y