Icom IC-7300 Instruction Manual basic - Page 19

Connecting an external DC power supply, Connecting the antenna tuner

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2 INSTALLATION AND CONNECTIONS Connecting an external DC power supply Confirm that the transceiver is OFF before connecting the DC power cable. LWe recommend using Icom's optional PS-126 (DC 13.8 V/25 A) power supply. LWhen 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 fluctuation or ripple. CAUTION: DO NOT touch the cooling fan on the rear panel of the transceiver after transmitting continuously for long periods of time. The transceiver can become extremely hot. PS-126 AC cable PS-126 DC power cable q w When disconnecting, firmly push down the locking tab and then pull the connector out of the socket. Non-Icom DC power supply 1 2 3 4 5 6 7 8 9 10 +_ GND 11 IC-7300 12 Fuses Supplied DC 13 Red Black power cable 14 Connecting the antenna tuner The AH-4 automatic antenna tuner 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). 15 16 LSee the AH-4 instruction manual for installation and connection details. 17 18 NOTE: Before connecting, be sure to turn OFF the transceiver power. 19 20 [ANT] [TUNER] AH-4 21 HF band long wire antenna GND IC-7300 Control cable GND 2-3 Or to an optional AH-2b

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2
INSTALLATION AND CONNECTIONS
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Connecting an external DC power supply
Confirm 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 fluctuation or ripple.
_
+
PS-126
Non-Icom DC power supply
PS-126
AC cable
DC power cable
IC-7300
q
w
When disconnecting, firmly
push down the locking tab
and then pull the connector
out of the socket.
GND
Supplied DC
power cable
Black
Red
Connecting the antenna tuner
The AH-4
AUTOMATIC
ANTENNA
TUNER
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 can become extremely hot.