VXA-220 P
RO
VI O
PERATING
M
ANUAL
14
Squelch Adjustment
Press the [
F
] key momentarily, then press the
[
(
SET
)] key to acti-
vate the Menu (SET)
mode.
Rotate the
DIAL
selec-
tor knob to select Menu
Item “SQL.”
Press the [
ENT
(
)]
key to enable adjustment of this Menu item.
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 the [
ENT
(
)] key to save your new setting.
Press the
PTT
switch to exit the Menu (“SET”) mode.
B
ASIC
O
PERATION
Accessing the 121.5 MHz
Emergency Frequency
The
VXA-220
can quickly access the 121.500 MHz Emer-
gency Frequency. This function can be activated even
when the keypad lock function (described on page 18) is
in use.
To access the Emer-
gency Frequency, press
the [
121.5
] key mo-
mentarily.
To exit the Emergency
Frequency, press the
[
ENT
(
)] key.
Transmission
To transmit, press and
hold the
PTT
switch.
Speak into the micro-
phone area of the front
panel grille in a normal
voice level.
To return to the receive
mode, release the
PTT
switch.
F
F
Содержание VXA-220
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