Yaesu FT-847 Operating Manual page 89

27 [LOCK]
Function: Set the [LOCK] key's lockdown
coverage on the front panel.
: The MAIN VFO Tuning
Available Values: D
IAL
F : The controls shown below
RE
Default Setting: D
IAL
28 [50M-ANT]
Function: Set the routing of T
when operating on the 50 MHz
band.
Available Values: S : 50 MHz RF is routed to the
EP
H :
F
Default Setting: S
EP
When using the optional ATAS-100 Antenna, the op-
tional FC-20 Automatic Antenna Tuner, or an antenna
providing both HF and 50 MHz coverage, the "HF"
selection should be utilized. Otherwise, for completely
separate 50 MHz antenna use, the (default) "SEP" se-
lection should be used.
FT-847 O
PERATING
M S
ENU ELECTION
Dial, SUB-TUNE knob and
TM
the SHUTTLE JOG ring
are locked out
are locked out.
/R signals
X X
50 MH Antenna port
Z
50 MHz RF is routed to the
HF Antenna port
M
ANUAL
Menu System
D
ETAILS
29 [VHF-AMP]
Function: Select the preamplifier to be used
when operating on 144 MHz.
Available Values: I : The internal RF preampli-
NT
A : The internal RF preampli-
NT
Default Setting: I
NT
If you desire to use both the internal preamplifier and
a tower-mounted preamplifier, select the "I
then provide power to your tower-mounted preampli-
fier via a separate power cable.
30 [UHF-AMP]
Function: Select the preamplifier to be used
when operating on 430 MHz.
Available Values: I : The internal RF preampli-
NT
A : The internal RF preampli-
NT
Default Setting: I
NT
If you desire to use both the internal preamplifier and
a tower-mounted preamplifier, select the "I
then provide power to your tower-mounted preampli-
fier via a separate power cable.
fier will be used, with O
O control provided via the
FF
front panel's [RF AMP]
switch.
fier is disabled, and 12 VDC
at 300 mA (maximum) will
be sent via the 144 MH
Antenna port for powering
an external preamplifier.
" setting,
NT
fier will be used, with O
O control provided via the
FF
front panel's [RF AMP]
switch.
fier is disabled, and 12 VDC
at 300 mA (maximum) will
be sent via the 430 MH
Antenna port for powering
an external preamplifier.
" setting,
NT
/
N
Z
/
N
Z
87