Icom IC-7700 [147/216] D receive antenna i o setting

Icom IC-7700 [147/216] D receive antenna i o setting
10-5
10
ANTENNA TUNER OPERATION
DD
Receive antenna I/O setting
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] to activate the receive antenna
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
F-1
“RX-I/O” indicators appear when [RX ANT-IN]
and [RX ANT-OUT] are active.
Band keys
F-1
RX-I/O
Receiver
Preamp or
Low-pass filter,
etc.
Transmitter
Transceiver
IN
[RX ANT]
OUT
Transmit/Receive
switching circuit
ANT

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