D Receive Antenna I/O Setting - Icom IC-7700 Instruction Manual

D D Receive antenna I/O setting
RX-I/O
F-1
"RX-I/O" indicators appear when [RX ANT-IN]
and [RX ANT-OUT] are active.
Transceiver
Transmitter
Transmit/Receive
switching circuit
Receiver
Band keys
ANT
IN
[RX ANT]
OUT
Preamp or
Low-pass filter,
etc.
10-5
ANTENNA TUNER OPERATION
In the default setting, receive antenna connectors, [RX
ANT-IN] and [RX ANT-OUT], on the rear panel are de-
activated and are connected internally by the switch-
ing relay. If you want to connect an external preamp or
low-pass filter between the [RX ANT-IN] and [RX ANT-
OUT], you must activate them as described below.
q Select the antenna set screen.
w Select the desired frequency band with a band key.
e Push [RX-I/O]
F-1
connectors ([RX ANT-IN] and [RX ANT-OUT]).
• "RX-I/O" indicators appear when [RX ANT-IN] and [RX-
ANT-OUT] are active.
r Repeat steps w and e, if desired.
t Push
to exit antenna set screen.
EXIT/SET
to activate the receive antenna
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