Squelch Adjustment; Advanced Operation - Vertex Standard VXA-300 Operating Manual

For example, to set 134.35 MHz, press [1]
To set 118.275 MHz, you do not need to press the final "5" in the frequency:
[1] [1] [8]
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 button for 2 seconds; background noise will now be heard, and you may
use this noise to set the VOLUME knob for the desired audio level. Press the MONITOR
button momentarily to silence the noise and resume normal (quiet) monitoring.
To turn the radio off, turn the VOLUME knob fully counter-clockwise into the click stop
position.
Press the [F] key momentarily, then press the [0(SQ)] key. This instantly recalls Menu
Item 01 "SQL" which is adjusts 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.
Accessing the 121.5 MHz Emergency Frequency
The VXA-300 can quickly access the 121.500 MHz Emergency Frequency. This function
can be activated even when the keypad lock function (described on page ??) is in use.
To access the Emergency Frequency, press the [121.5] key momentarily.
To exit the Emergency Frequency, press downward on the VOLUME knob.
To transmit, press and hold the PTT switch. Speak into the microphone area of the front
panel grille in a normal voice level.
To return to the receive mode, release the PTT switch.

Advanced Operation

Throughout this manual, you will see references to several different frequency setting
methods. Each will be particularly useful in a particular operating situation, and they are
described below:
VFO (Variable Frequency Oscillator)
The VFO is a "Tuning dial" system which allows you to tune through the NAV, COM or
2-m Amateur bands using the DIAL selector, the Keypad, or the scanner.
MR (Memory Recall)
The MR (Memory Recall) mode of the VXA-300 provides the user with the ability to store
and recall as many as 150 channels in the radio's main memory bank. These memory
channels may also be labeled by you with an alpha/numeric name of up to 8 characters
in length, to aid in quick identification of the channel. See page ?? for details on creating
alpha/numeric labels.
BOOK (Pre-Programmed) Memories
The Book memories are pre-programmed, either at the factory or by your Dealer
(depending on your country's requirements), typically including the major COM and NAV
band station frequencies used in your area. The Book memories can be changed by the
user. See page ?? for details.
WX (Weather Channel) Memories (USA version only)
Ten Weather Channels are pre-programmed at the factory. The VXA-300 will
[2] [7].

Squelch Adjustment

Transmission
Tuning Methods
[3] [4] [3]
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FCC ID: K6610573X20
IC ID: 511B-10573X20
Operating Manual
[5].
Vertex Standard Co., Ltd.