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5
2
INSTALLATIONS
■ Cable connections
q Connect the coaxial cable and the control cable to
the AT-140 as illustrated below.
w Cover both the antenna and the control cable con-
nectors with rubber vulcanizing tape and fix it with
a vinyl tape to prevent water seeping into the con-
nector.
e Fix both of the coaxial and control cables to pro-
tect the inside connections.
DO NOT pull the antenna and control cable re-
ceptacles. This may cause disconnection (in the
AT-140), internal connector damaged or bad
connection.
r Connect the coaxial cable and the control cable to
the transceiver as illustrated below.
t Ground the transceiver, AT-140 and shield cable of
the control cable via the ground terminal.
•See pgs. 2 and 7–10 for grounding details.
IMPORTANT!— AT-140
NEVER ground the AT140 via the mounting
plate. It is not connected to ground internally.
Ground terminal
Mounting plate
Rubber vulcanizing tape
AT-140
Icom HF transceiver
Ground
Ground
OPC-1147 (10 m; 32.8 ft)