Specifications

Page 95FT-450 OPERATION MANUAL
I NSTALLATION OF O PTIONAL A CCESSORIES
ACTIVE-TUNING ANTENNA SYSTEM
(
ATAS-100/-120/120A
)
OPERATION
MANUAL TUNING
1. Press the
[
TUNE
]
button briefly to activate the
Automatic Antenna Tuner.
The “ ” icon will appear in the display.
If the transceiver frequency is out of the amateur
band, the “ ” icon will not appear.
If the antenna SWR is High (more than 1:2.0), the
“ ” icon will blink.
2. Press and hold in the microphone PTT switch.
With the transceiver in the “transmit” mode, press
and hold in the
[
BANDS
]
button (to raise the an-
tenna) or the
[
BANDT
]
button (to lower the an-
tenna). While you hold in one of these keys, the
FT-450 will generate a carrier, and you may watch
the SWR meter of the FT-450, looking for the
meter indication to reach its minimum value. When
this is reached, release the
[
BANDS
]
or
[
BANDT
]
key, then release the PTT key to return to the “re-
ceive” mode.
[
TUNE
]
button
ATAS-120A
FT-450
INPUT
DC 13.8V
2 2A
ANT
GND
EXT
SPKR
CATLINEARTUNERDATA
Market on the mount
After-market mount