VXA-300 P
ILOT
III
O
PERATING
M
ANUAL
13
B
ASIC
O
PERATION
You may also turn the
top panel’s (outer)
DIAL
selector knob to choose
the desired operating
frequency. The channel
frequency will appear on
the LCD.
Rotate the
VOLUME
knob to set the volume
level. If no signal is
present, press and hold
the
MONITOR
switch
for 2 seconds; back-
ground noise will now
be heard, and you may
use this noise to set the
VOLUME
knob for the
desired audio level.
Press the
MONITOR
switch momentarily to
silence the noise and re-
sume normal (quiet) monitoring.
To turn the radio off
,
turn the
VOLUME
knob
fully counter-clockwise
into the click stop posi-
tion.
Squelch Adjustment
Press the [
F
] key momen-
tarily, then press the
[
0
(
SQ
)] key. This in-
stantly recalls Menu Item
01 “
SQL
” which is ad-
justs the threshold level
of the squelch circuit.
Rotate the
DIAL
selector knob to set the squelch
threshold (0 to 8) so that the receiver is just silenced.
A higher number indicates that a higher signal level is
required in order to open the squelch.
Press downward on the
VOLUME
knob to save your
new setting.
Press the
PTT
switch to exit the Menu (“SET”) mode.