Yaesu FT-450 Operation Manual page 97

I
NSTALLATION OF
A -T
CTIVE UNING
M T
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 [ BAND ] button (to raise the an-
tenna) or the [ BAND ] 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 [ BAND ] or [ BAND ]
key, then release the PTT key to return to the "re-
ceive" mode.
FT-450 O
A S
NTENNA YSTEM
FT-450
ANT
INPUT
DC 13.8V
2 2A
EXT
GND
SPKR
DATA TUNER LINEAR CAT
M
O
PTIONAL
( ATAS-100/-120/120A ) O
Market on the mount
After-market mount
A
CCESSORIES
PERATION
[ TUNE ] button
Page 95