Squelch Adjustment; Accessing The 121.5 Mhz Emergency Frequency; Transmission - Vertex Standard VXA-220 Operating Manual

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 (
Press the PTT switch to exit the Menu ("SET") mode.
14
B
ASIC
F
)]
)] key to save your new setting.
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.
VXA-220 P
F
VI O M
RO PERATING ANUAL