Operation Manual
2
INSTALLATION AND CONNECTIONS
2-4
Connecting an external DC power supply
Conrm that the transceiver is OFF before connecting
the DC power cable.
L We recommend using Icom’s optional PS-126
(DC 13.8 V/25 A) power supply.
L When connecting a non-Icom DC power cable, the
transceiver needs:
• DC 13.8 V (Capacity: At least 21 Amps)
• A power supply with an over current protective line and
low voltage uctuation or ripple.
_+
PS-126
Non-Icom DC power supply
PS-126
AC cable DC power cable
IC-7300
q
w
When disconnecting, rmly
push down the locking tab
and then pull the connector
out of the socket.
GND
Supplied DC
power cable
BlackRed
Connecting the antenna tuner
The AH-4 matches the IC-7300 to
the optional
AH-2b or a long wire antenna more than 7 m/23 ft long
(between 3.5 MHz and 50 MHz).
NOTE: Before connecting, be sure to turn OFF the
transceiver power.
L See the AH-4 instruction manual for installation and
connection details.
GND
AH-4
GND
[ANT]
IC-7300
[TUNER]
HF band long wire
antenna
Or to an optional AH-2b
Control cable
Fuses
CAUTION:
DO NOT touch the cooling fan on the rear panel
of the transceiver after transmitting continuously for long
periods of time. The transceiver becomes extremely hot.