FTA-750/FTA-550 O
perATing
M
AnuAl
18
Adjusting the volume
Rotate the
VOL
(inner)
knob to set the volume
level. If no signal is
present, press the
SQL
switch; background
noise will now be heard,
and you may use this
noise to set the
VOL
knob for the desired
audio level. Press and
hold the
SQL
switch
to silence the noise and
resume normal (quiet)
monitoring.
PTT
SQL
Adjusting the squelch
Press the
SQL
switch,
then rotate the
DIAL
se-
lector knob or press the
[
◄
] or [
►
] key to set
the squelch threshold
(0 to 15) so that the re-
ceiver is just silenced. A
higher number indicates
that a higher signal lev-
el is required in order to
open the squelch.
PTT
SQL
127.300
VOL
BUSY
SQL
Press and hold the
SQL
switch to set the squelch
threshold to 0 (off).
Your new setting will be saved each time you per-
form either of the operations above.
B
asIc
o
peratIon
FCC ID: K6650013X20
IC: 511B-50013X20
YAESU MUSEN CO., LTD.