104
FT-891 Advance Manual
FC-50 External Automatic Antenna Tuner
The optional FC-50 Automatic Antenna Tuner provides automatic tuning of a coaxial line
so as to present a nominal 50 Ω impedance to the FT-891’s HF/50 MHz antenna port.
Please see the FC-50 Installation Manual for detailed information.
Interconnections to FT-891
Connect the cables from the FC-50 to the ANT and TUN/LIN jacks on the rear panel of
the FT-891 Transceiver.
CONTROL
ANT
ANT
TUN/LIN
TRX
Control Cable
FT-891
FC-50
To HF/50 MHz Antenna
Coaxial Cable
Setup the FT-891
Before operation can begin, the FT-891 microprocessor must be setup to accommodate
the FC-50 automatic tuner. This is done using the Menu Mode:
1. Press and hold in the [
F
] key for one second
to activate the Menu mode.
2. Rotate the
MULTI
function knob to select
Menu Mode “
16-15
[
TUNER SELECT
]”.
3. Press the
MULTI
function knob, and then
rotate it to set this Menu item to “EXTER-
NAL”.
4. Press the
MULTI
function knob to save the
new setting.
5. Press the [
F
] key to exit the Menu mode and
resume normal operation.
