External Antenna Tuner Connection; Connecting An Ah - Icom IC-7600 Instruction Manual

2
INSTALLATION AND CONNECTIONS

■ External antenna tuner connection

The AH-4 and AH-740 Automatic antenna tuner
automatically matches the IC-7600 to the connected
antenna.
D Connecting an AH-4
The optional AH-4 matches the IC-7600 to a long
wire antenna more than 7 m/23 ft long (3.5 MHz and
above).
Coaxial cable (from the AH-4)
[ANT1]
Transceiver
GND
D Connecting an AH-740
The optional AH-740 covers 2.5 to 30 MHz range with
a supplied whip antenna element. Or when using with
the optional NVIS kit, it covers 2.2 to 30 MHz range.
Coaxial cable (from the AH-4)
[ANT1]
GND
The coaxial cable is supplied with the AH-740.
The OPC-2321 Controls cable is optional.
21
[TUNER]
Control cable
AH-740
[TUNER]
Control cable
NOTE: Before connecting, be sure to turn OFF the
transceiver's power.
• See page 122 for operation.
• See the AH-4 instruction manual for installation and
connection details.
AH-4
GND
• See page 122 for operation.
• See the AH-740 instruction manual for the
installation and connection details.
Coaxial cable and control cable connections
OPC-2321
About the ground strap connection
Ground
strap
GND
Vehicle chassis or body
Long wire or optional AH-2b
Rubber
vulcanizing
tape, then
electrical
tape.
Coaxial
cable