Yaesu Musen 10723X20 PORTABLE RADIO User Manual FCC ID K6610723X20

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Document Description	USERS MANUAL
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Date Submitted	2006-12-08 00:00:00
Date Available	2006-12-13 00:00:00
Creation Date	2006-09-14 13:58:46
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Document Title	FCC ID: K6610723X20
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Document Author:	Operating Manual

FCC ID: K6610723X20
IC ID: 511B-10723X20
Operating Manual
VXA-220 Operating Manual
Introduction
The Vertex Standard VXA-220 Pro VI is a compact, stylish, solid hand-held transceiver
providing communication (transmit and receive) capability on the International Aircraft
Communication Band (“COM” band: 118 ~ 136.975 MHz), and it additionally provides
receive on the “NAV” band (108 ~ 117.975 MHz).
The VXA-220 boasts 0.7 Watt of clean audio output from its 1.4” (36-mm) diameter
loudspeaker, and it also provides 8.33 kHz synthesizer steps for the new narrow-band
channel plan.
The VXA-220 displays with our exclusive Omni-GlowTM display back-lighting for minimal
degradation of your night vision, NOAA weather band monitoring, 8-character
Alpha/Numeric Display, 150 Memory Channels, and 100 “Book Memory” Channels.
We recommend that you read this manual in its entirety, so as to understand the many
features of the VXA-220 completely. Keep this manual handy, so you may use it for
reference.
Congratulations!
You now have at your fingertips a valuable communications tool-a Vertex Standard two-way
radio! Rugged, reliable and easy to use, your Vertex Standard radio will keep you in
constant touch with your friends and colleagues for years to come, with negligible
maintenance down-time.
Please take a few minutes to read this manual carefully. The information presented here
will allow you to derive maximum performance from your radio, in case questions arise later
on.
We’re glad you joined the Vertex Standard team. Vertex Standard products cover the entire
spectrum of radio communications applications, and our worldwide support network is here
to serve you. Let us help you get your message across.
Important Notice!
FCC RF Exposure Compliance Requirements for Occupational Use Only:
This Radio has been tested and complies with the Federal Communications Commission
(FCC) RF exposure limits for Occupational Use/Controlled Exposure Environment. In
addition, it complies with the following Standards and Guidelines:
FCC 96-326, Guidelines for Evaluating the Environmental Effects of Radio-Frequency
Radiation.
FCC OET Bulletin 65 Edition 97-01 (1997) Supplement C, Evaluating Compliance with
FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields.
ANSI/IEEE C95.1-1992, IEEE Standard for Safety Levels with Respect to Human
Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz.
ANSI/IEEE C95.3-1992, IEEE Recommended Practice for the Measurement of
Potentially Hazardous Electromagnetic Fields - RF and Microwave.
When transmitting, hold the radio in a vertical position with its microphone 1 to 2 inches
(2.5 to 5 cm) away from your mouth and keep the antenna at least 1 inch (2.5 cm) away
from your head and body.
The radio must be used with a maximum operating duty cycle not exceeding 50%, in
typical Push-to-Talk configurations.
DO NOT transmit for more than 50% of total radio use time (50% duty cycle).
Transmitting more than 50% of the time can cause FCC RF exposure compliance
requirements to be exceeded.
The radio is transmitting when the red LED on the front panel of the radio is illuminated.
You can cause the radio to transmit by pressing the P-T-T button.
Always use Vertex Standard authorized accessories.
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Operating Manual
Controls & Connectors (Top Panel)
Antenna Jack
This SMA jack accepts the supplied flexible antenna, or another antenna designed to
provide 50 Ohm impedance on the Aircraft Communication Band.
MIC/EAR Jack
You may connect the supplied CT-96 Headset Cable or the (optional) MH-44B4B
Speaker/Microphone to this jack.
Never connect any Speaker/Microphone that is not recommended by the manufacturer.
Because these jack connections are unique, using a Speaker/Microphone that is not
specified by Vertex Standard may damage the VXA-220.
DIAL Selector Knob
This (outer) 20-position detented rotary switch tunes the operating frequency or selects the
memory channels.
This rotary switch also adjusts the audio volume level by the setting of the Secondary
function of the [5(DIAL/▲▼)] key. See page ?? for details.
Controls & Connectors (Front Panel)
BUSY/TX Indicator Lamp
This lamp glows green when a signal is being received, and red when transmitting.
Loudspeaker
The internal speaker is located in this position.
Microphone
Speak across this opening in a normal voice level, while pressing the PTT switch, to
transmit.
LCD (Liquid Crystal Display)
The display shows selected operating conditions, as indicated on the next page.
Keypad
The keypad is used for most radio command operations. Several keys have triple functions.
The primary functions are labeled on the key top (activated by simply pressing the key
momentarily).
The secondary functions are labeled in yellow above the top edge of the key (activated by
pressing the [F] key first, then the indicated key).
The third functions are labeled in black above the top edge of the key (activated by
pressing and holding in the indicated key for 2 seconds).
These functions are described in detail on page ??.
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Operating Manual
[1]
[2)]
[3]
[4(TIMER)]
[5(DIAL/
)]
Primary Function
(Press Key)
Secondary Function
(Press [F] + key)
Frequency Entry Digit 1
Frequency Entry Digit 2
Frequency Entry Digit 3
Frequency Entry Digit 4
None
None
None
Activates the Stop
Watch Timer.
Exchange the
functions of the DIAL
and ▲▼keys.
Activates the Dual
Watch feature.
Activates Split
(Duplex) mode.
on/off Switch
for Keypad Beeper
Allows Skipping of
Channel during Scan.
Activates the
Automatic
Noise Limiter.
None
Frequency Entry Digit 5
[6(DW)]
Frequency Entry Digit 6
[7(SPL)]
Frequency Entry Digit 7
[8(Beep)]
Frequency Entry Digit 8
[9(SKIP)]
Frequency Entry Digit 9
[0(ANL)]
Frequency Entry Digit 0
[121.5]
Selects Emergency
Channel (121.5 MHz).
Selects the Memory
Display Type.
Switches the VFO
mode “A” and “B.”
Select
the
tuning
methods among the
VFO, MR, BMR, and
WX.
None
[XFER(LOCK)
[ENT(LOCK)]
[MW(SPL-W)]
[F]
Activates the Set
(Menu) mode.
Third Function
(Press and Hold key
for 2 sec.)
None
None
None
None
None
Activates the VOX
feature.
None
None
None
None
None
Activates the
Scanner.
Activates the Key
Lockout feature.
Split-Memory “Write”
Command.
Disable the
“Secondary” key
function.
None
Activates the
“Secondary” key
function.
[ ]
Increase the audio level
or select the operating
channel*
[ ]
Decrease the audio
None
level or select the
operating channel*
*: Depends on setting of the Secondary function of the [5(DIAL/
details.
Memory “Write”
Command.
None
None
None
)] key. See page ?? for
Battery Pack Latch
Open this latch for battery removal.
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Operating Manual
Controls & Connectors (Left Side)
PTT (Push To Talk) Switch
Press this button to transmit when you are operating in the COM band. Release this button
to return to the “Receive” mode. See page ?? for details.
MONITOR Switch
This button may be pressed to “open” the squelch manually, allowing you to listen for very
weak signals. Press and hold this button for 2 seconds to “open” the squelch continuously.
Press this button again to resume normal (quiet) monitoring. See page ?? for details.
POWER Switch
Press and hold this button for 3 seconds to toggle the transceiver’s power on and off.
Controls & Connectors (Right Side)
EXT DC Jack
When an external 12-Volt DC power source is available, you may connect the (optional)
E-DC-5B External DC Cable here.
Do not connect any wire to this jack if that wire is connected directly to a 28-Volt DC source.
Connecting the VXA-220 directly to a source which exceeds 15.0 Volts DC will result in
damage to the unit, and this type of damage is not covered by the Limited warranty on this
product.
Before You Begin
Precautions
This apparatus is capable of two-way communication on channels used for critical
aviation safety communications. Therefore, it is important that this radio be kept away
from children or other unauthorized users at all times.
When making DC connections via the (optional) E-DC-5B DC cable, be absolutely
certain to observe the proper voltage level and polarity guidelines. Do not connect this
radio directly to any 24 ~ 28 Volt DC source, nor to AC power of any kind. Connecting
the VXA-220 directly to a source which exceeds 15.0 Volts DC will result in damage to
the unit. The Limited Warranty for this product does not cover damage caused by the
application of improper voltage.
Do not dispose of the Ni-MH Battery Pack in a fire. Do not carry a Ni-MH Battery Pack
in your pocket, where keys or coins could short the terminals. This could create a
serious fire/burn danger, and possibly cause damage to the Ni-MH pack.
Although the VXA-220 is designed to be water resistant, the enclosure is not
“waterproof.” Do not allow the radio to become submersed in water, and do not expose
it and/or its Ni-MH Battery Pack to water spray under pressure.
Battery Installation and Removal
To install the battery, hold the transceiver with your left hand, so your palm is over the
speaker and your thumb is on the top of the Belt Clip. Insert the battery pack into the
battery compartment on the back of the radio while tilting the Belt Clip outward, then
close the Battery Pack Latch until it locks in place with a “Click.”
To remove the battery, turn the radio off and remove any protective cases. Open the
Battery Pack Latch on the bottom of the radio, then slide the battery downward and out
from the radio while unfolding the Belt Clip.
Do not attempt to open any of the rechargeable Ni-MH packs, as personal injury or damage
to the Ni-MH pack could occur if a cell or cells become accidentally short-circuited.
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Operating Manual
Battery Charging
It is necessary to charge the Ni-MH battery fully before its first use. Follow these
procedures:
Install the supplied FNB-83 Ni-MH battery pack onto the transceiver. Ensure that the
transceiver is switched off.
Plug the CD-32 into the AC line outlet.
Insert the transceiver and battery pack into the CD-32; the antenna jack should be at
the left side when viewing the charger from the front.
If the transceiver and battery pack are inserted correctly, the RED indicator will glow. A
fully-discharged pack will be charged completely in 10 hours.
Important Notes:
The CD-32 is not designed to power the transceiver for operation (reception or
transmission).
Do not leave the charger connected to the transceiver for continuous periods in excess
of 24 hours. Long term overcharging can degrade the Ni-MH battery pack and
significantly shorten its useful life.
If using a charger other than the CD-32, or if using a battery pack other than the
FNB-83, follow the appropriate instructions provided with the charger/battery. Contact
your Dealer if you have any doubts about the appropriateness of the particular charger
or battery pack you intend to use.
Low Battery Indication
As your battery discharges during use, the voltage will gradually become lower. When
the battery voltage reaches 6.0 Volts, the “BATTERY” icon will blink on the LCD display,
indicating that the battery pack must be recharged before further use.
Avoid recharging Ni-MH batteries before the “Low Battery” indicator is observed, as this
can degrade the charge capacity of your Ni-MH battery pack. Vertex Standard
recommends that you carry an extra, fully-charged pack with you so you will not lose
communications capability due to a depleted Ni-MH battery.
Installing the FBA-25 (option) Alkaline Battery Case
The optional FBA-25 Battery Case allows operation of the VXA-220 using six “AA” size
Alkaline batteries.
When installing batteries, insert the (–) end first, then press in the (+) end so the battery
snaps into place. Always replace all six batteries at the same time, paying attention to the
polarity indicated inside the case.
The FBA-25 must not be used with rechargeable cells. The FBA-25 does not contain the
thermal and over-current protection circuits (provided in the “FNB” series of Ni-MH Battery
Packs) required when utilizing Ni-Cd and Ni-MH cells.
Basic Operation
Preliminary Steps
Install a charged battery pack onto the transceiver, as described previously.
Screw the supplied antenna onto the Antenna jack. Never operate this transceiver
without an antenna connected.
If you have an optional Speaker/Microphone or headset, we recommend that it not be
connected until you are familiar with the basic operation of the VXA-220.
Operation Quick Start
To turn the radio on, press and hold in the [POWER] Switch of for 3seconds.
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A channel frequency should appear on the display. If not, press the [ENT] key
(repeatedly, if necessary) so that “- VFO -” appears on the display, followed by a
channel frequency.
Directly entering frequencies from the keypad is the easiest method if you know the
frequency on which you wish to operate. Just enter the five digits of the frequency to
move to that frequency.
For example, to set 134.35 MHz, press [1]
[3]
[4]
[3]
[5].
To set 118.275 MHz, you do not need to press the final “5” in the frequency:
[1]
[1]
[8]
[2]
[7].
You may also turn the top panel’s DIAL selector knob*1 to choose the desired operating
frequency. The channel frequency will appear on the LCD.
Press the [ ]/[ ] key*2 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 desired audio level. Press the [MONITOR] button momentarily
to silence the noise and resume normal (quiet) monitoring.
To turn the radio off, press and hold in the [POWER] switch for 3 seconds.
*1: If you change a function of DIAL and [ ]/[ ] key by pressing the [F] key followed by the
[5(DIAL/ )] key, you may choose the operating frequency by pressing the [ ]/[ ] key.
*2: If you change a function of DIAL and [ ]/[ ] key by pressing the [F] key followed by the
[5(DIAL/ )] key, you may set the volume level by turning the DIAL selector knob.
Squelch Adjustment
Press the [F] key momentarily, then press the [XFER(SET)] key to activate the Menu
(SET) mode.
Rotate the DIAL selector knob to select Menu Item “SQL.”
Press the [ENT(LOCK)] 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(LOCK)] key to save your new setting.
Press the PTT switch to exit the Menu (“SET”) mode.
Accessing the 121.5 MHz Emergency Frequency
The VXA-220 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 the [ENT] key.
Transmission
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
Tuning Methods
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 or COM
bands using the DIAL selector knob, the Keypad, or the scanner. The VXA-220 has two
VFOs which are called VFO-A and VFO-B. Press the [XFER(SET)] key momentarily to
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Operating Manual
switch between VFO-A and VFO-B. You may set VFO-A to the NAV band, and VFO-B
to the COM band, if you like.
MR (Memory Recall)
The MR (Memory Recall) mode of the VXA-220 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-220 will
automatically scan this special bank when it is selected by the user.
Reception of Weather Channel Broadcasts (USA version only)
The VXA-220 can receive VHF Weather Channel broadcasts, which may assist your flight
planning. The VXA-220 includes a ten-channel auto-search feature, which simplifies access
to Weather Channels when you are in an unfamiliar location.
To receive Weather Channels, press the [ENT(LOCK)] key (repeatedly, if necessary) to
select the Weather Channel mode. In the Weather Channel mode, “- WX -” will appear
on the display.
The VXA-220 will now scan quickly through the ten standard Weather Channels, and
will stop on the first active station found.
If there are two or more weather channels audible in your area, you may select the
alternate channel(s) by pressing the PTT switch. Pressing the PTT switch re-initiates
the scanning process.
If there are no Weather Channels in your area, the scanner will not stop. Press the
MONITOR button to stop the scanner.
You can also select Weather Channels manually by rotating the DIAL selector knob*.
To confirm the current Weather Channel frequency, press the [XFER(LOCK)] key
momentarily. The display changes to frequency indication. Press the [XFER(LOCK)]
key again to return to normal display.
To exit the Weather Channel mode, press the [ENT(LOCK)] key momentarily to return
to the VFO mode.
*1: If you change a function of DIAL and [ ]/[ ] key by pressing the [F] key followed by the
[5(DIAL/ )] key, you may select Weather Channels by pressing the [ ]/[ ] key.
Note 1: In the event of extreme weather disturbances, such as storms and hurricanes, the
NOAA (National Oceanic and Atmospheric Administration) sends a weather alert
accompanied by a 1050 Hz tone and subsequent weather report on one of the NOAA
weather channels. You may setup the Alert function when receiving the Weather Alert
signal via Menu Item “WXAF,” if desired. See page ?? for details.
Note 2: The Weather Channel mode memorizes the last Weather Channel you have used,
and will retain this information until the radio is turned off.
Monitor Key
When listening to a very weak signal from an aircraft or ground station, you may observe
the signal disappearing periodically as the incoming signal strength becomes too weak to
override the squelch threshold setting.
To disable the squelch temporarily, press and hold the MONITOR key for 2 seconds on the
left side of the radio, just below the PTT button. The squelch will remain open and you
should have a better chance of hearing weak signals.
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To return to normal operation, press the MONITOR key momentarily.
ANL (Automatic Noise Limiter) Feature
For reduction of impulse noise, such as that produced by an engine’s ignition system, the
ANL feature may prove helpful. The ANL feature is only activated in the AM mode.
To activate the ANL feature, press the [F] key followed by the [0(ANL)] key. The “ANL”
icon will appear on the display, and you should observe a reduction in the ignition noise.
To turn the ANL feature off, repeat the above step (press the [F] key followed by the
[0(ANL)] key); the “ANL” icon will disappear from the display.
LOCK Function
The lock function prevents accidental changes to the frequency setting and the keypad
controls.
To activate the lock feature, press the [F] key followed by the [ENT(LOCK)] key. The
“KEY” icon will appear on the display
To turn the lock feature off, repeat the above step (press the [F] key followed by the
[ENT(LOCK)] key); the “KEY” icon will disappear from the display.
You can still access the 121.500 MHz Emergency Frequency when the LOCK function
is on.
Simply press the [121.5] key momentarily (this key never locks). Pressing this key also
unlocks the radio.
You may choose the lockout configuration according to your operating preferences. See
page ?? for details.
DIAL and [ ]/[ ] key Swap Configuration
In the factory default, the DIAL selector knob selects the operating frequency and the
memory channel, and the [ ]/[ ] key adjust the audio volume level. However, you may
exchange the function of the DIAL selector knob and [ ]/[ ] key; as a result, adjust the
audio volume level by the DIAL selector knob, and selects the operating frequency and the
memory channel by the [ ]/[ ] key.
Press the [F] key followed by the [5(DIAL/
)] key to toggle the DIAL and [ ]/[ ] key
configurations.
Receive Battery Saver Setup
An important feature of the VXA-220 is its Receive Battery Saver, which “puts the radio to
sleep” for a time interval, periodically “waking it up” to check for activity. If somebody is
talking on the channel, the VXA-220 will remain in the “active” mode, then resume its
“sleep” cycles. This feature significantly reduces quiescent battery drain, and you may
change the amount of “sleep” time between activity checks using the Menu System:
Press the [F] key followed by the [XFER(SET)] key to activate the Menu (“SET”) mode.
Rotate the DIAL selector knob to select Menu Item “RSAV.”
Press the [ENT(LOCK)] key to enable adjustment of this Menu Item.
Rotate the DIAL selector knob to select the desired “duty cycle” (receive:sleep). The
selections available are 1:1, 1:2, 1:3, 1:4, 1:5, and ABS* or oFF. The default value is
1:1.
When you have made your selection, press the [ENT(LOCK)] key to save the new
setting, and then press the PTT key to exit to normal operation.
*ABS: Automatic Battery Saver, based on activity on the receiver.
The setting of 1:5 will promote the greatest conservation of battery capacity, but the
receiver’s response time to incoming calls will be slowed somewhat.
Note: This feature does not operate during Scan or Dual Watch.
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Operating Manual
Beep On/Off
The VXA-220’s key/button beeper provides convenient audible feedback whenever a
button is pressed. Each key and button has a different beep pitch, and each function has a
unique beep combination.
When you are scanning, the beeper will be heard each time the scanner halts on a busy
channel. This may be distracting in some environments; if you want to turn the beeper off
(or back on again):
To disable the beeper, press the [F] key followed by the [8(BEEP)] key. The “BEEP
OFF” notation will appear on the display for 3 seconds.
To turn the beep on, repeat the above step (press the [F] key followed by the [8(BEEP)]
key); the “BEEP ON-” notation will appear on the display for 3 seconds.
You may turn the beeper on and off via the Menu Item “BEEP.”
Changing the Channel Steps
The VXA-220’s synthesizer provides the option of utilizing channel steps of 8.33/25 kHz per
step (default: 25 kHz). If you need to change the channel step size, the procedure to do so
is very easy.
First set the VXA-220 to the operating band (NAV or COM) on which you wish to
change the channel steps.
Press the [F] key followed by the [XFER(SET)] key to activate the Menu (“SET”) mode.
Rotate the DIAL selector knob to select Menu Item “STEP.”
Press the [ENT(LOCK)] key to enable adjustment of this Menu item.
Rotate the DIAL selector knob to select the new channel step size.
When you have made your selection, press the [ENT(LOCK)] key to save the new
setting, and then press the PTT key to exit to normal operation.
Important Note
1) When you select the channel step to 8.33 kHz, the channel display differs from actual
operating frequency; see the chart below. However, the operator (pilot, tower, control,
etc) will call out the frequency according to what the display indicates.
Display
Operating Frequency
8.33 kHz Step
25 kHz Step
1xx.0000 MHz
1xx.005 MHz
1xx.000 MHz
1xx.0083 MHz
1xx.010 MHz
1xx.0166 MHz
1xx.015 MHz
1xx.0250 MHz
1xx.030 MHz
1xx.025 MHz
1xx.0333 MHz
1xx.035 MHz
1xx.0416 MHz
1xx.040 MHz
1xx.0500 MHz
1xx.055 MHz
1xx.050 MHz
1xx.0583 MHz
1xx.060 MHz
1xx.0666 MHz
1xx.065 MHz
1xx.0750 MHz
1xx.085 MHz
1xx.075 MHz
1xx.0833 MHz
1xx.085 MHz
1xx.0916 MHz
1xx.090 MHz
2) The 8.33 kHz step allows the radio to receive only, and the transmit function is disabled.
3) The adjacent channel selectivity will be slightly degraded while receiving using 8.33 kHz
channel steps.
VOX Operation
The VOX system provides automatic transmit/receive switching based on voice input to the
microphone when using the after- market Headset. With the VOX system enabled, you do
not need to press the PTT key in order to transmit, and it is not necessary to use a Headset
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Operating Manual
in order to utilize VOX operation.
Press and hold the [6(DW)] key for 3 seconds to activate the VOX system. The “VOX”
icon will appear on the display.
Without pressing the PTT key, speak into the microphone on the Headset in a normal
voice level. When you start speaking, the transmitter should be activated automatically.
When you finish speaking, the transceiver should return to the receive mode (after a
short delay).
To cancel VOX and return to PTT operation, press and hold the [6(DW)] key for 3
seconds; the “VOX” icon will disappear from the display.
The VXA-220 provides for adjustment of the VOX Gain via the Menu, to prevent accidental
transmitter activation in a noisy environment. To set the VOX Gain:
Press the [F] key followed by the [XFER(SET)] key to activate the Menu (“SET”) mode.
Rotate the DIAL selector knob to select Menu Item “VSNS.”
Press the [ENT(LOCK)] key to enable adjustment of this Menu item.
While speaking into the microphone on the Headset, rotate the DIAL selector knob to
the point where the transmitter is quickly activated by your voice, without causing
background noise to activate the transmitter.
When you have selected the optimum setting, press the [ENT(LOCK)] key to save the
new setting, and then press the PTT key to exit to normal operation.
The VXA-220 also provides for adjustment of the “Hang-Time” of the VOX system
(transmit-receive delay after the cessation of speech) via the Menu. The default delay is 0.1
second. To set a different delay time:
Press the [F] key followed by the [XFER(SET)] key to activate the Menu (“SET”) mode.
Rotate the DIAL selector knob to select Menu Item “VDLY.”
Press the [ENT(LOCK)] key to enable adjustment of this Menu item.
Rotate the DIAL selector knob to select the delay time among “05,” “10,” “15,” and “20”
(representing 0.05, 0.1, 0.15, and 0.2 sec).
When you have made your selection, press the [ENT(LOCK)] key to save the new
setting, and then press the PTT key to exit to normal operation.
Side Tone Feature (monitoring your voice)
When using the after-market Headset, you may monitor your transmitted voice from the
headset for monitoring.
To set the side tone (monitor) level:
Press the [F] key followed by the [XFER(SET)] key to activate the Menu (“SET”) mode.
Rotate the DIAL selector knob to select Menu Item “STLV.”
Press the [ENT(LOCK)] key to enable adjustment of this Menu item.
Rotate the DIAL selector knob to select the desired monitoring level (1, 2, or 3).
When you have made your selection, press the [ENT(LOCK)] key to save the new
setting, and then press the PTT key to exit to normal operation.
Timer Operation
The VXA-220 is provided a “Stop Watch” timer and a “Count Down” timer. These can be
used for a variety of time-keeping purposes.
Press the [F] key followed by the [4(TIMER)] key to activate the Timer Mode.
Press the [XFER(LOCK)] key toggle the Timer between the “Stop Watch” and “Count
Down” timer modes.
If you select the “Count Down” timer, rotate the DIAL knob to set the values for the timer
(1 minutes - 60 minutes).
The Timer is designed to start/stop/reset repeatedly whenever you press the
[ENT(LOCK)] key.
In the “Count Down” timer mode, an alert will sound and the timer will stop when the
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“Count Down” timer reaches “00 00 00.”
To disable the Timer Mode, press the [F] key followed by the [4(TIMER)] key again.
Memory Operation
The VXA-220 provides 150 user-programmable “Main” memories, labeled “CH-001”
through “CH-150,” and up to 100 pre-programmed memories, designated “Book” Memories.
The “BOOK” icon appears when the “Book” Memory Mode is activated.
The Main memories and “Book” Memories can be assigned alpha-numeric names of up to
eight characters.
Memory System Operation
The VXA-220’s Main Memory system allows the user to store, label, and recall channel
frequencies which you may want to use frequently. You may store VFO frequencies, Book
Memory frequencies, and/or Weather Channel frequencies (USA version only) into the
Main Memory system.
Memory Storage
Select the desired frequency in the VFO mode, or recall the Book Memory channel or
Weather channel to be stored in the Main Memory.
Press and hold in the [MW(SPL-W)] key for 2 seconds. The display will indicate
“CH-XXX” and a channel number will blink on the LCD.
Within five seconds of pressing the [MW(SPL-W)] key, rotate the DIAL selector knob to
select the desired memory channel number for storage.
In order to prevent writing over memory channels, an “underline” will appear under the
hyphen (located between “CH” and the channel number) to indicate a vacant memory
channel.
Now press and hold in the [MW(SPL-W)] key for 2 seconds; you will now see “A - - - - - -” on the LCD. To attach an alpha/numeric name (label) to the memory, proceed to the
next step; otherwise press and hold in [MW(SPL.W)] for 2 seconds to save the entry
and exit.
To label a memory with an alpha/numeric name, the next step is to use the DIAL
selector knob to select any of the 48 available characters (including letters, numbers,
and special symbols). When the desired first character appears, press the
[ENT(LOCK)] key momentarily to move on to the next character.
Select succeeding characters in the same manner, pressing the [ENT(LOCK)] key
momentarily after each selection.
After entering the entire name (eight characters maximum), press the [MW(SPL-W)]
key for 2 seconds to save all data for the channel and exit.
Note: If you have transferred a Weather Channel directly to memory, the “WX-01 ~ WX-10”
labels utilize the alphanumeric memory, and other labels may not be stored.
Recalling the Memories
Press the [ENT(LOCK)] key, repeatedly if necessary, until “- MR -” (Memory Recall)
appears on the display. In the MR mode, you will see “CH-” and the previously selected
channel number appearing on the LCD.
Rotate the DIAL selector knob* to select the desired memory channel.
You may change the title structure of the Memory display type among:
1. Channel Indication (sequential Channel Number, e.g. CH-001, CH-002, etc.);
2. Frequency Indication (e.g. 122.500); or
3. Alphanumeric Label (e.g. LAX FSS).
To change the Memory display title, press the [XFER(LOCK)] key repeatedly, if
necessary, until you get the desired display title structure.
To exit the Memory mode, press the [ENT(LOCK)] key three times to return to the VFO
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*:
mode.
If you change a function of DIAL and [ ]/[ ] key by pressing the [F] key followed by the
[5(DIAL/ )] key, you may select the memory channel by pressing the [ ]/[ ] key.
Deleting Memories
You may delete any of the memories (except for memory channel “001”). The procedure for
deleting a channel is quite simple.
Press the [F] key followed by the [XFER(SET)] key to activate the Menu (“SET”) mode.
Rotate the DIAL selector knob to select Menu Item “MCLR.”
Press the [ENT(LOCK)] key, then rotate the DIAL selector knob to recall the memory
channel to be erased.
Press the [ENT(LOCK)] key to clear the Memory channel (the Memory channel number
will return to “001”).
Important Notice: An “erased” channel cannot be restored, and “CH-001” cannot be erased,
as it is used for “Priority Channel” operation.
Scanning Operation
The VXA-220 allows you to scan automatically in the VFO*1, Main Memory, “Book” Memory,
or Weather Channel*2 modes. It pauses on signals encountered, so you can talk to the
station(s) on that frequency, if you like.
*1: In the VFO mode, the automatic scanner is only available in the COM band (118.000 136.975 MHz); when the scanner reaches the uppermost frequency in the COM band,
it will revert to the bottom end of the COM band and repeat the scanning process until
you cancel the scanning process.
*2: USA version only.
If you wish to scan in the NAV band (108.000 - 117.975 MHz), you can do so manually, as
described below.
Scanning operation is basically the same in each of the above modes.
Press and hold in the [XFER(SET)] key for 2 seconds to start the automatic scanner
upward (toward a higher frequency or a higher channel number).
When the scanner encounters a signal, scanning pauses and the radio remains on that
channel until one second after the signal disappears, after which scanning will resume.
While the scanner remains paused on a frequency, the decimal point of the frequency
displays blinks. The display will be illuminated unless the Scan Lamp Feature is turned
off.
To change the scan direction, turn the DIAL selector knob one click in the opposite
direction.*
To stop the automatic scanner, press the PTT switch or the [ENT(LOCK)] key
momentarily. You may also just press the [XFER(SET)] key.
*: If you change a function of DIAL and [ ]/[ ] key by pressing the [F] key followed by the
[5(DIAL/ )] key, you may change the scan direction by pressing the [ ]/[ ] key in the
opposite direction.
The VXA-220’s automatic scanner is not operational in the NAV band (108.000 - 117.975
MHz), because the NAV stations (ILS, etc.) transmit constantly (thereby causing the
scanner to stop repeatedly). However, you can scan manually in the NAV band, per the
following procedure:
Press and hold the [XFER(SET)] key for 2 seconds to start the manual scanner.
Scanning will continue as long as the key is depressed.
Release the [XFER(SET)] key to stop the manual scanner immediately.
Note: When scanning upward in frequency, when the frequency reaches the COM Band
(118.000 - 136.975 MHz) via manual scanning, the VXA-220 will switch to the automatic
scanner mode.
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Channel-Skip Scanning
Continuous-carrier stations like ATIS (Automatic Terminal Information Service) or Weather
Broadcast stations inhibit scanner operation. Since these stations are always active, the
scanner will be halted repeatedly on their channels. Such channels can be set to be
“skipped” during Memory scanning (MR, Book or WX modes), if you like, so as not to
interfere with automatic channel scanning:
Recall the Memory Channel to be skipped during scanning.
Press the [F] key followed by the [9(SKIP)] key. The “SKIP” icon will appear on the
display, indicating that the channel is to be ignored during scanning.
You can also designate a channel to be skipped while scanning. When the receiver is
halted on a channel that you wish to skip, press and hold the [SCAN(DW)] key for 2
seconds (the “SKIP” icon will appear next to the channel to be skipped).
Later, to re-enable the memory channel for scanning, repeat the first two steps. The
“SKIP” icon will disappear by the channel you have just re-enabled.
Note: A memory set to be “skipped” is still accessible for manual memory selection using
the DIAL selector knob or [ ]/[ ] key, if you change a function of DIAL and [ ]/[ ] key
by pressing the [F] key followed by the [5(DIAL/ )] key.
Dual Watch Operation
The Dual Watch feature automatically checks for activity on a “priority” channel* while you
are operating on another channel. During Dual Watch operation, the current channel and
the Priority channel will each be polled for a 500 ms interval, as the VXA-220 looks for
activity on each channel.
To start Dual Watch, press the [F] key followed by the [6(DW)] key. The “DW” icon will
appear on the display.
While receiving on the “current” channel (not the Priority channel), you may push the
PTT switch at any time to transmit on that channel.
When a signal is received on the Priority channel, operation immediately shifts to the
Priority channel, the “DW” icon will blink, and the display will become illuminated.
While receiving on the priority channel, if you momentarily press the PTT switch, Dual
Watch will be disabled. You may then transmit on the Priority Channel.
To stop Dual Watch, press [F] key followed by the [6(DW)] key.
If you wish, you may use both the Dual Watch and Scan features simultaneously. To do
this, start the Dual Watch first, then start the Scanner.
*: The “priority” Channel is defined as the last-used Memory Channel (when using the VFO
mode) or Memory Channel “001” (when using the Main Memory or Book Memory modes).
Priority Dual Watch Operation
Similar to Dual Watch operation (described on previous page), Priority Dual Watch is an
enhanced version which includes the following additional features:
The receiving time interval (ratio) between the current channel and the Priority channel
may be customized via Menu Item “PRTM.” See page ?? for details.
Irrespective of which channel is currently being received, when the PTT button is
pushed transmission will always occur on the Priority channel.
Before initiating Priority Dual Watch, Menu Item “DWMD” must be set to the “PRI: Priority”
mode (instead of “DW: Dual Watch”). See page ?? for details.
To start Priority Dual Watch, press [F] key followed by the [6(DW)] key. The “DW” icon
will appear on the display.
While receiving on the “current” (non-Priority) channel, pressing the PTT button once
causes the radio to switch to the Priority channel and cancels Dual Watch. Press the
PTT button again to transmit on the Priority channel.
When a signal is received on the Priority channel, reception immediately shifts to the
Priority channel, the “DW” icon will blink, and the display will become illuminated unless
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IC ID: 511B-10723X20
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the Scan Lamp Feature is turned off.
While receiving on the priority channel, if you momentarily press the PTT switch,
Priority Dual Watch will be disabled. You may then transmit on the Priority Channel.
To stop Priority Dual Watch, press [F] key followed by the [6(DW)] key.
Split Operation
The split operation feature allows you to transmit a call to a Flight Service Station using the
COM band frequencies, while receiving an ATIS broadcast (in the NAV band). The ATIS
broadcasts are used by airports to notify arriving and departing pilots of the current surface
weather conditions, landing and departing runways, runway and taxiway conditions,
communication frequencies and other information of importance to arriving and departing
aircraft.
Programming a Transmit Frequency
Press the [ENT(LOCK)] key, repeatedly if necessary, to select the VFO mode.
Set a NAV band (108.000 - 117.975 MHz) frequency, such as the ATIS broadcast using
the DIAL selector knob* or keypad.
Press the [F] key followed by the [MW(SPL-W)] key. The “SPL” icon will blink, and the
transmit frequency will appear on the display.
Now set your radio’s transmit frequency, where the Flight Service Station will be
listening for calls, using the DIAL selector knob* or keypad.
Press and hold in the [MW(SPL-W)] key for 2 seconds to save the transmit frequency
and return to the NAV band frequency.
*: If you change a function of DIAL and [ ]/[ ] key by pressing the [F] key followed by the
[5(DIAL/ )] key, you may set the operating frequency by pressing the [ ]/[ ] key.
Note: You have now stored the separate transmit frequency, but you have not yet activated
the split-frequency function; go on to the next section.
Operating in the Split Mode
It is assumed that you have already set the desired VOR station’s frequencies (in the
NAV band) per the above instructions.
Press the [F] key followed by the [7(SPL)] key to turn on the “Split” function. The “SPL”
icon will appear on the display.
Press and hold in the PTT switch to transmit on the split transmit frequency.
Release the PTT switch to return to the receive mode.
To disable the “Split” function, press the [F] key followed by the [7(SPL)] key again.
Note: A split frequency can be programmed into each memory channel independently. Set
a transmit frequency before programming the memory channel, if desired. The split function
on/off setting can also be programmed into a memory channel.
Field Programming Mode
The VXA-220’s Book Memories also allow the user to store, label, and recall channel
frequencies which you may want to use frequently while the VXA-220 is in the Field
Programming mode.
Memory Storage into the Book Memory
Press and hold the PTT and [ENT(LOCK)] key while turning the radio on, to activate the
Field Programming Mode.
Select the desired frequency to be stored in the Book Memory.
Press and hold in the [MW(SPL-W)] key for 2 seconds. The display will indicate
“-BOOK –“ and a channel number will blink on the LCD.
Within five seconds of pressing the [MW(SPL-W)] key, rotate the DIAL selector knob to
select the desired memory channel number for storage.
Now press and hold in the [MW(SPL-W)] key for 2 seconds; you will now see blinking
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“A” at the left side of the LCD. To attach an alpha/numeric name (label) to the memory,
proceed to the next step; otherwise press and hold in the [MW(SPL-W)] key for 2
seconds to save the entry and exit.
To label a memory with an alpha/numeric name, the next step is to use the DIAL
selector knob to select any of the 48 available characters (including letters, numbers,
and special symbols). When the desired first character appears, press the
[ENT(LOCK)] key momentarily to move on to the next character.
Select succeeding characters in the same manner, pressing the [ENT(LOCK)] key
momentarily after each selection.
After entering the entire name (eight characters maximum), press the [MW(SPL-W)]
key for 2 seconds to save all data for the channel.
Repeat this procedure to store additional frequencies into the Book Memory section, as
desired.
Turn the radio off, then turn the radio back on again to begin normal operation.
CPU Resetting
In some instances of erratic or unpredictable operation, the cause may be corruption of
data in the microprocessor (due to static electricity, etc.). If this happens, resetting of the
microprocessor may restore normal operation. Note that all memories will be erased if you
do a complete microprocessor reset, as described below.
To clear all memories and other settings to factory defaults:
Turn the radio off.
Press and hold in the [ENT(LOCK)] key and the MONITOR button, while turning the
radio on.
Menu (“Set”) Mode
The Menu system allows certain aspects of your radio’s configuration to be customized for
your personal operating convenience. We do not recommend that any of the default
settings be changed, however, until you are thoroughly familiar with the operation of the
VXA-220.
1. Press the [F] key followed by the [XFER(SET)] key to activate the Menu (“SET”) mode.
2. Rotate the DIAL selector knob to select the Menu Item (feature) you wish to view
and/or modify.
3. Once you have selected the desired Menu Item, press the [ENT(LOCK)] key to enable
adjustment of this Menu Item. The current setting value will be blinking.
4. Rotate the DIAL selector knob to change the setting of the item (“on” to “oFF,” etc.).
5. Press the [ENT(LOCK)] key to save your new setting.
6. If you need to change more than one Menu item, repeat steps 2 - 5.
7. Press the PTT switch to exit the Menu (“SET”) mode.
MENU Listing
A listing of the Menu items available via the SET mode may be found below.
[SQL]
Function: Squelch Level Setting.
Available Values: 0 ~ 8
Default Setting: 6
Select a setting for this Menu item which just silences the receiver when no signal is
present. Use the lowest setting which will keep the receiver quiet between incoming
transmissions.
[MCLR]
Function: Memory Channel Clear (“MR” memory only).
To clear a Memory channel:
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Select the Menu Item MCLR.
Press the [ENT(LOCK)] key, then rotate the DIAL selector knob to recall the memory
channel to be erased.
Press the the [ENT(LOCK)] key to clear the Memory channel (the Memory channel
number will return to “001”).
Important Notice: An “erased” channel cannot be restored, and “CH-001” cannot be erased,
as it is used for “Priority Channel” operation.
[RESM]
Function: Scan-Resume Mode Setting.
Available Values: 5S/CAR
Default Setting: 5S
“5S” (5-Second Pause) mode: the scanner will halt for five seconds only, after which
scanning will resume (whether or not the other station is still transmitting).
“CAR” (Carrier Drop) mode: the scanner will remain halted for as long as there is a carrier
present on the channel; after the carrier drops at the end of the other station’s transmission,
the scanning will resume.
[SCNL]
Function: Scan Lamp On/Off (while paused).
Available Values: on/oFF
Default Setting: on
If you set this function to “on,” the lamp will be illuminated whenever the scanner pauses.
The lamp will go off automatically when scanning resumes.
[BEEP]
Function: Keypad Beeper On/Off.
Available Values: on/oFF
Default Setting: on
[RSAV]
Function: Selects the Receive-mode Battery Saver “sleep” ratio.
Available Values: 1:1 ~ 1:5/oFF/ABS*
Default Setting: 1:1
The setting of 1:5 will promote the greatest conservation of battery capacity, but the
receiver’s response time to incoming calls will be slowed somewhat.
*ABS: Automatic Battery Saver, based on activity on the receiver.
Note: This feature does not operate during Scan or Dual Watch.
[LAMP]
Function: Display and Keypad Illumination Mode.
Available Values: KEY/oFF/CNT
Default Setting: KEY
“KEY” mode: The illumination lamp will be activated for 5 seconds when any front panel key,
the VOLUME knob, or the DIAL knob is operated.
“oFF” mode: Disables the illumination lamp.
“CNT” mode: Illuminates the Display/Keypad continuously.
[SFT]
Function: CPU Clock Shift.
Available Values: on/oFF
Default Setting: oFF
This function is only used to move a spurious response “birdie” should it fall on a desired
frequency. Consult your Vertex Standard dealer for details regarding this function.
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[PRTM]
Function: Selects the Priority Checking Time.
Available Values: 05/10/15/20/25/30 (0.5/1/1.5/2/2.5/3 sec.)
Default Setting: 20 (2 seconds)
This Menu item allows you to define how often the Priority Channel will be checked for
activity.
Note: The Dual Watch Polling time is 500 mS (fixed).
[DWMD]
Function: Selects the Dual Watch/Priority Function.
Available Values: DW/PRI
Default Setting: DW
“DW” mode: The VXA-220 will activate the Dual Watch feature when you press the [F] key
followed by the [6(DW)] key.
“PRI” mode: The VXA-220 will activate the Priority feature when you press the [F] key
followed by the [6(DW)] key.
[POBP]
Function: Select the Power on Beep.
Available Values: MD1/MD2/MD3/oFF
Default Setting: MD1
Note: You will hear the different selections as you rotate the DIAL selector knob.
[IMIC]
Function: Internal Microphone On/Off.
Available Values: on/oFF
Default Setting: oFF
This controls the status of the radio’s internal microphone when an external microphone
(such as the MH-44A4B Speaker Microphone or an aviation headset connected via the
CT-60 Headset Cable) is in use. In most applications, set this Menu Item to “oFF” for proper
operation (this disables the internal microphone). The internal microphone will still function
normally when the external microphone is disconnected.
[EMRG]
Function: Emergency channel On/Off.
Available Values: on/oFF
Default Setting: on
This controls the operation of the Emergency [121.5] key. When set to “oFF,” this key will
not function. You can still use the frequency 121.5 MHz either by entering it on the keypad
in the VFO mode, or by recalling it on a previously-stored memory channel.
[TOT]
Function: Setting of the Time-Out Timer countdown time.
Available Values: 1/3/5/oFF (minutes)
Default Setting: oFF
The Time-Out Timer shuts off the transceiver after continuous transmission exceeds the
programmed time.
[DIMM]
Function: Setting of the display brightness level.
Available Values: LV1 ~ LV4
Default Setting: LV3
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[WXAF]
Function: Selects the Alert functions when receiving the Weather Alert Signal on the WX
channel.
Available Values: BP/LED/B+L/oFF
Default Setting: oFF
BP: Sounds a loud beep when receiving the Weather Alert Signal.
LED: Flashes the BUSY/TX indicator when receiving the Weather Alert Signal.
B+L: Sounds a loud beep and flashes the BUSY/TX indicator when receiving the Weather
Alert Signal.
oFF: Disables the Alert function.
When the Weather Alert function is activated, the “((A))” icon will appear on the display.
[VOX]
Function: Enables/disables VOX operation.
Available Values: on/oFF
Default Setting: oFF
[VDLY]
Function: Selects the VOX delay (“hang”) time.
Available Values: 05/10/15/20 (x0.1 sec)
Default Setting: 10 (x0.1 sec)
[VSNS]
Function: Sets the VOX sensitivity.
Available Values: 1 ~ 8
Default Setting: 4
[LOCK]
Function: Selects the control locking lockout combination.
Available Values: K/KD/P/PD/PK/PKD/D
Default Setting: K
K: Keypad
D: DIAL knob
P: PTT switch
(Other selections are combinations of these lock-out choices)
[STEP]
Function: Selects the synthesizer steps.
Available Values: 25 kHz/8.33 kHz
Default Values: 25 kHz
[BPLV]
Function: Sets the Beep level.
Available Values: 1~ 3
Default Setting: 2
[STLV]
Function: Sets the Side tone level.
Available Values: 1 ~ 3
Default Setting: 3
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Accessories & Options
Supplied Accessories
Ni-MH Battery Pack (7.2V, 1400mAh)
Overnight Desktop Charger
Helical Antenna
Headset Cable
Operating Manual
Warranty Card
*:
FNB-83
CD-32B/C*
ATV-10
CT-96
“B” suffix is for use with 120 VAC or “C” suffix is for use with 230-240 VAC.
Available Options
MH-44A4B
FBA-25A
VAC-10
E-DC-5B
E-DC-6
CN-3
Speaker Microphone
Alkaline Battery Case
Desktop Rapid Charger
DC Cable w/Noise
DC Cable; plug and wire only
Antenna Adapter (SMA to BNC)
Availability of accessories may vary. Some accessories are supplied as standard per local
requirements, while others may be unavailable in some regions. Consult your Vertex
Standard Dealer for details regarding these and any newly-available options.
Connection of any non-Vertex Standard-approved accessory, should it cause damage, may
void the Limited Warranty on this apparatus.
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Specifications
(Tentative)
General
Frequency Range:
TX: 118.000 - 136.975 MHz,
RX: 108.000 - 136.975 MHz,
Weather Channels
(WX-01 - WX-10: USA version only)
Channel Spacing:
25 kHz
Emission Type:
TX: AM,
RX: AM & FM
(FM: for receiving the Weather Channels, USA version only)
Supply Voltage:
6.0 - 15.0 VDC
Current Consumption (approx.):
10 µA (power off),
30 mA (battery saver on, saver ratio 1:5),
65 mA (squelch on),
190 mA (receive),
1 A (transmit 1.5 W Carrier)
Temperature Range:
+14 ºF to + 140 ºF (–10 ºC to +60 ºC)
Case Size (WxHxD):
2.36 x 4.09 x 1.2 inches (60 x 104 x 30.5 mm)
w/o knob & antenna
Weight (approx.):
12.3 oz (350 grams)
with FNB-83, antenna, and belt clip
Receiver
Circuit Type:
IFs:
Sensitivity:
Selectivity:
Adjacent CH. Selectivity:
AF Output (Internal speaker):
Transmitter
Power Output (@ 7.2 V):
Frequency Stability:
Modulation System:
Spurious Emission:
Int. Microphone Type:
Ext. Mic. Impedance:
Double-conversion superheterodyne
47.25 MHz & 450 kHz
Better than 0.8 µV
(for 6 dB S/N with 1 kHz, 30 % modulation)
>8 kHz/–6 dB
<25 kHz/–60 dB
0.7 W @ 16 Ohms, 10 % THD
5 W (PEP), 1.5 W (Carrier Power)
Better than ±10 ppm
+14 ºF to + 140 ºF (–10 ºC to +60 ºC)
Low Level Amplitude Modulation
>60 dB below carrier
Condenser
150 Ohms
Specifications are subject to change without notice or obligation.
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FCC ID: K6610723X20
IC ID: 511B-10723X20
Operating Manual
Part 15.21: Changes or modifications to this device not expressly approved by Vertex
Standard could void the user’s authorization to operate this device.
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Vertex Standard Co., Ltd.

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