2
INSTALLATION AND CONNECTIONS
n
External antenna tuners
CONNECTING AN ANTENNA TUNER
Coaxial cable (from the tuner)
IC-78
Ground
CONNECTING THE AH-740
Coaxial cable (from the AH-740)
IC-78
Ground
• The coaxial cable is supplied with the AH-740.
The OPC-2321 Control cable is optional.
• See the AH-740 instruction manual for the installation
and connection details.
11
(p.
43)
Control cable
Ground
(p.
29)
AH-740
OPC-2321
Ground
AT-130/AH-4
Coaxial cable and control cable connections
OPC-2321
About the ground strap connection
Ground
strap
Vehicle chassis or body
Long wire or optional AH-2b
Rubber
vulcanizing
tape, then
electrical
tape.
Coaxial
cable
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