Vertex VXA-150 instruction manual

AIR BAND TRANSCEIVER

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121.5

Operating Manual

VXA-150

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CONTENTS

Important Notice!............................................... 1

Introduction ....................................................... 2

Specifications.................................................... 3

Controls & Connectors ..................................... 4

Top Panel ............................................................. 4

LCD Display......................................................... 5

Front Panel ........................................................... 6

Keypad ................................................................. 7

Left Side............................................................... 8

Right Side............................................................. 9

Before You Begin ............................................ 10

Precautions ......................................................... 10

Battery Installation and Removal ......................... 10

Battery Charging................................................. 11

Low Battery Indication ........................................ 12

Installing the FBA-25 (option)

Alkaline Battery Case .................................... 12

Operation......................................................... 13

Preliminary Steps ................................................ 13

Operation Quick Start.......................................... 13

Accessing the 121.5 MHz

Emergency Frequency.................................... 15

Tuning Methods .................................................. 16

NOTICE

There are no user-serviceable points inside this transceiver.
All service jobs must be referred to your Authorized Service Center.

Transmission ....................................................... 17

Reception of Weather Channel Broadcasts ........... 17

Monitor Switch ................................................... 19

ANL (Automatic Noise Limiter) Feature.............. 19

LOCK Function .................................................. 20

Beep On/Off ....................................................... 20

Receive Battery Saver Setup................................ 21

Memory Operation........................................... 22

Memory Storage ................................................. 22

Recalling the Memories....................................... 23

Scanning Operation ........................................ 24

Memory Channel-Skip Scanning ......................... 25

Dual Watch Operation ..................................... 26

Priority Dual Watch Operation ........................ 27

Split Operation ................................................ 28

Programming a Transmit Frequency .................... 28

Operating in the Split Mode ................................ 28

Field Programming Mode................................ 29

Memory Storage into the Book Memory.............. 29

Menu (“Set”) Mode.......................................... 30

Menu Listing ...................................................... 31

In Case of Difficulty ......................................... 35

Accessories & Options ................................... 36

VXA-150 PROV OPERATING MANUAL

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IMPORT ANT 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.

r

FCC OET Bulletin 65 Edition 97-01 (1997) Supplement C, Evaluating Compliance with FCC Guidelines

r

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

r

Frequency Electromagnetic Fields, 3 kHz to 300 GHz.
ANSI/IEEE C95.3-1992, IEEE Recommended Practice for the Measurement of Potentially Hazardous Elec-

r

tromagnetic Fields - RF and Microwave.

This radio is NOT approved for use by the general population in an uncontrolled environment. This

¦

radio is restricted to occupational use, work related operations only where the radio operator must
have the knowledge to control its RF exposure conditions.
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 top 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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INTRODUCTION

The Vertex Standard VXA-150 ProV 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-150 includes our exclusive two-mode display with upright or inverted viewing when on your belt,

NOAA weather band monitoring, 8-character Alpha/Numeric Display, 50 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-150
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
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. Call on us anytime, because communications is our
business. Let us help you get your message across.

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SPECIFICATIONS

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.): < 1 µA (power off), 17 mA (battery saver on, saver ratio 1:5)

47 mA (squelch on), 180 mA (receive), 1 A (transmit 1.5 W Carrier)

Temperature Range: +14 °F to +140 °F (–10 °C to +60 °C)
Case Size (WxHxD): 2.3 x 4.3 x 1.0 inches (58 x 108.5 x 26.5 mm) w/FNB-64
Weight (approx.): 12 oz (340 grams) with FNB-64, antenna, and belt clip

Receiver

Circuit Type: Double-conversion superheterodyne
IFs: 35.4 MHz & 450 kHz
Sensitivity: <0.8 µV (for 6 dB S/N with 1 kHz, 30 % modulation)
Selectivity: >8 kHz/–6 dB
Adjacent CH. Selectivity: <25 kHz/–60 dB
AF Output (@7.2 V): 0.4 W @ 8 Ohms, 10 % THD

Transmitter

Power Output (@ 7.2 V): 5.0 W (PEP), 1.5 W (Carrier Power)
Frequency Stability: Better than ±10 ppm (+14 °F to +140 °F [–10 °C to +60 °C])
Modulation System: Low Level Amplitude Modulation
Spurious Emission: >60 dB below carrier
Int. Microphone Type: Condenser
Ext. Mic. Impedance: 150 Ohms

Specifications are subject to change without notice or obligation.

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CONTROLS & CONNECTORS (TOP PANEL

Antenna Jack

This SMA jack accepts the supplied flexible an­tenna, or another antenna designed to provide 50
W impedance on the Aircraft Communication
Band.

POWER/VOLUME Knob

Turn this control clockwise to turn the radio on
and to increase the volume. Counterclockwise ro­tation into the click-stop will turn the radio off.

)

CHANNEL Selector Knob

This 20-position detended rotary switch tunes the
operating frequency or selects the memory chan­nels.
Pressing this knob downward momentarily se­lects the tuning methods among the VFO (Vari­able Frequency Oscillator), MR (Memory Re­call), BOOK (Pre-Programmed Memories), and

WX (Weather Channel Memories) mode.
Note: The WX mode is activating the USA ver-

sion only.

LCD (Liquid Crystal Display)

The display shows the selected operating condi­tions as indicated on the next page.
The display may be changed to “inverted” view­ing via the Menu; see page 34 for details.

BUSY/TX Indicator Lamp

This lamp glows green when a signal is being
received and red when transmitting.

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This icon is the
“Low Battery” indi­cator, which blinks
when the battery
voltage becomes
too low for proper
operation.

CONTROLS & CONNECTORS (LCD DISPLAY

This indicator con­firms that the AUTO-

MATIC NOISE LIMITER

is activated. See
page 19.

This indicator con­firms that DUAL
WATCH is active.
See page 26.

This indicator con­firms that the “Split”
(Duplex) mode is
activated. See
page 28.

)

This indicator con­firms that this
channel will be
skipped during
scan. See page 25.

This icon indicates
that the “Book”
Memory Bank is in
use. See page 16.

This indicator con­firms that Second-
ary Key Function is
active. See page 7.

These digits provide frequency or alphanumeric
information about the channel you are using.

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CONTROLS & CONNECTORS (FRONT PANEL

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Loudspeaker

The internal speaker is located in this position.

Microphone

Speak across this opening in a normal voice level
while pressing the PTT switch.

Keypad

Several keys have dual functions.
The primary functions are labeled on the key top

(activated by simply pressing the key momen­tarily), while 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).

These functions are described in detail on the
next page.

Battery Pack Latch

Open this latch for battery removal.

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CONTROLS & CONNECTORS (KEYP AD

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Primary Function
(

Press Key

Secondary Function
(

Press +

Primary Function
(

Press Key

Secondary Function
(

Press +

Primary Function
(

Press Key

Secondary Function
(

Press +

Primary Function
(

Press Key

)

)

)

)

)

)

)

Frequency Entry

Digit 1

Frequency Entry

Digit 4

None

SPL

Frequency Entry

Digit 7

Activates Split (Duplex

mode

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Memory “Write”

Command

Frequency Entry

Digit 2

Frequency Entry

Digit 5

None None None

Frequency Entry

Digit 8

)

On/Off Switch

for Keypad Beeper

Frequency Entry

Digit 0

2

Frequency Entry

5

Frequency Entry

8

Frequency Entry

Allows Skipping of

Channel during Scan

0

Activates Scanning

31

Digit 3

NoneNoneNone

6

Digit 6

SKIP

97

Digit 9

Selects Memory Display

Type (page 23)

Locks the Keypad

121.5

Selects Emergency

Channel (121.5 MHz

ANL

Activates Automatic

Noise Limiter

None

Activates “Secondary”

Key mode

)

Secondary Function
(

Press +

)

Split-Memory “Write”

Command

Activates Dual Watch

NoneNone

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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 17.

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 14.

LAMP Switch

Pressing the LAMP switch momentarily will il­luminate the display and keypad for five sec­onds, after which the back-lighting will automati­cally turn off. Press and hold this switch for 2
seconds to activate the back-lighting lamp con­tinuously. To turn the lamp off, press this switch
again. The LAMP switch may be configured in
several ways via the Menu; see page 33 for de­tails.

)

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CONTROLS & CONNECTORS (RIGHT SIDE

MIC/EAR Jack

You may connect the supplied CT-60 Headset
Cable or the (optional) MH-44A4B 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-150.

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-150 directly to a source which exceeds 15.0
Volts DC will result in damage to the unit.

)

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BEFORE YOU BEGIN

ñ

ñ

Close the Battery Pack Latch

Precautions

r This apparatus is capable of two-way communi-

cation 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.

r 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-150 directly to a
source which exceeds 15.0 Volts DC will result
in damage to the unit.

r Do not dispose of the Ni-Cd Battery Pack in a

fire. Do not carry a Ni-Cd 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-Cd
pack.

r Although the VXA-150 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-Cd 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.”

k

Tilt the Belt Clip

B

e

h

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t

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a

P

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ç

¦ To remove the battery, turn the radio off and re-

move 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 recharge-

able Ni-Cd packs, as personal injury or dam­age to the Ni-Cd pack could occur if a cell or cells
become accidentally short-circuited.

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BEFORE YOU BEGIN

Battery Charging

It is necessary to fully charge the Ni-Cd battery be­fore its first use. Follow these procedures:

¦ Install the supplied FNB-64 Ni-Cd battery pack

onto the transceiver. Ensure that the transceiver
is switched off.

¦ Lift up the rubber cover to expose the EXT DC

jack. Plug the cable plug from the NC-72 charger
into this jack.

¦ Plug the NC-72 into the AC line outlet.
¦ Allow a minimum of 15 hours for the FNB-64

to reach full charge. Leave the transceiver
switched off this entire period.

¦ Unplug the cable from the EXT DC jack. Re-

place the rubber cover to protect the jack. Switch
on the transceiver and begin operation.

Important Notes:

r The NC-72 is not designed to power the trans-

ceiver for operation (reception or transmission).

r Do not leave the charger connected to the trans-

ceiver for continuous periods in excess of 24
hours. Long term overcharging can degrade the
Ni-Cd battery pack and significantly shorten its
useful life.

r If using a charger other than the NC-72, or if us-

ing a battery pack other than the FNB-64, 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.

r The optional FNB-V57 high-capac-

ity battery can not be charged using
the NC-72; please use the optional

VAC-400 or NC-76.

To AC line outlet

Transceiver must
be switched off

Lift up the
rubber cover

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BEFORE YOU BEGIN

Low Battery Indication

¦ As your battery discharges during use, the volt-

age will gradually become lower. When the bat­tery voltage reaches 6.0 Volts, the “ ” icon
will blink on the LCD display, indicating that
the battery pack must be recharged before fur­ther use.

¦ Avoid recharging Ni-Cd batteries before the

“Low Battery” indicator is observed, as this can
degrade the charge capacity of your Ni-Cd 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-Cd battery.
This “deep cycling” practice will help to main­tain longer overall battery life after many recharg­ing cycles.

Installing the FBA-25 (option) Alkaline
Battery Case

The optional FBA-25 Battery Case allows opera­tion of the VXA-150 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 re-

chargeable cells. The FBA-25 does not con­tain the thermal and over-current protection cir­cuits (provided in the “FNB” series of Ni-Cd Bat­tery Packs) required when utilizing Ni-Cd cells.

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OPERATION

Press

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-150.

Operation Quick Start

r To turn the radio on,

rotate the VOLUME
knob out of the click­stop.

r After three “initial-

ization” beeps are
heard, a channel fre­quency should ap­pear on the display. If
not, press downward
(momentarily) on the
CHANNEL selector knob (repeatedly, if neces-
sary) so that “- VFO -” appears on the display,
followed by a channel frequency.

r 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] à [3] à [4] à [3] à [5].

ò

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OPERATION

To set 118.275 MHz, you do not need to press
the final “5” in the frequency:
[1]

à [1] à [8] à [2] à [7].

r You may also turn

the top panel’s
CHANNEL selector
knob to choose the
desired operating fre­quency. The channel
frequency will ap­pear on the LCD.

r To change frequency

in 1 MHz steps, press
the [F] key momen­tarily, then rotate the
CHANNEL selector
knob to select the
MHz digit desired.
Press [F] once more to resume normal channel
selection in 25-kHz steps.

+

r Rotate the VOL-

UME knob to set the

volume level. If no
signal is present,
press and hold the
MONITOR switch
for 2 seconds; back­ground noise will
now be heard, and
you may use this
noise to set the VOL-
UME knob for the
desired audio level.
Press the MONITOR
switch momentarily again to silence the noise and
resume normal (quiet) monitoring.

r Press and hold the

LAMP switch for 2
seconds, to illumi­nate the display and
keypad continuously.
To disable the illumi­nation, press the
LAMP switch momentarily.

C

C

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OPERATION

Press

B

r To turn the radio off,

turn the VOLUME
knob fully counter­clockwise into the
click stop position.

Accessing the 121.5 MHz Emergency Frequency

The VXA-150 can quickly access the 121.500 MHz
Emergency Frequency. This function can be activated
even when the keypad lock function is in use.

r To access the Emer-

gency Frequency,
press the [121.5] key
momentarily.

r To exit the Emer-

gency Frequency,
press the CHAN-
NEL selector knob
(downward).

2 3

5 6

BEEP SKIP

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121.5

ANL

ò

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OPERATION

ò

Press

BOOK

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 in 25-kHz steps
using the CHANNEL selector, the Keypad, or
the scanner.

¦ MR (Memory Recall)

The MR (Memory Re­call) mode of the VXA-
150 provides the user
with the ability to store and recall as many as 50
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 22 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 band
station frequencies used in your area. The Book
memories can be changed by the user. See page
29 for details.

¦ WX (Weather Channel) Memories

(USA version only)
Ten Weather Channels
are pre-programmed at
the factory as appropriate for your country, and
the VXA-150 will automatically scan this spe­cial bank when it is selected by the user.

VFO

WX

( )

USA version only

MR

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OPERATION

Press

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.

C

Reception of Weather Channel Broadcasts

(USA version only)
The VXA-150 can receive VHF Weather Channel
broadcasts, which may assist your flight planning.
The VXA-150 includes a ten-channel auto-search
feature, which simplifies access to Weather Chan­nels when you are in an unfamiliar location.

r To receive Weather

Channels, press the
CHANNEL selector
knob (repeatedly, if
necessary) to select the
Weather Channel
mode. In the Weather
Channel mode, “- WX -” will appear on the display.

r The VXA-150 will now scan quickly through the

ten standard Weather Channels, and will stop on
the first active station found.

r 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

ò

C

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OPERATION

Press

B

the PTT switch re-initiates the scanning process.

r If there are no

Weather Channels in
your area, the scan­ner will not stop.
Press the MONITOR
switch to stop the
scanner.

r You can also select

Weather Channels
manually by rotating
the CHANNEL se­lector knob.

r To confirm the cur-

rent Weather Chan­nel frequency, press
the [
momentarily. The
display changes
frequency indication.
Press the [
mal display.

( )] key

to

( )]

C

2 3

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121.5

ANL

9

5 6

BEEP SKIP

8

0

key again to return to nor--

r To exit the Weather

Channel mode, press
the CHANNEL se­lector knob momen­tarily to return to the
VFO mode.

Note: The Weather Channel mode memorizes the last
Weather Channel you have used, and will retain this
information until the radio is turned off.

ò

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OPERATION

B

Monitor Switch

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
switch for 2 seconds on
the left side of the radio,
just below the PTT but-
ton. The squelch will re­main open and you should have a better chance of
hearing weak signals.

To return to normal operation, press the MONITOR
switch again momentarily.

C

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.

r To activate the ANL

feature, press the
[ANL] key momen­tarily. The “ANL ”
icon will appear on
the display, and you
should observe a re­duction in the ignition noise.

r To turn the ANL feature off, repeat the above

step; the “ANL” icon will disappear from the
display.

r If noise problems persist, contact your dealer or

a local avionic shop for assistance regarding your
particular application.

2 3

5 6

BEEP SKIP

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121.5

ANL

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OPERATION

B

B

121.5

J

LOCK Function

The lock function prevents accidental changes to the
frequency setting and the keypad controls.

r To activate the lock

feature, press [F] à
[ ( )]

r In the LOCK mode,

the display will show
“- LOCK -” when you
rotate the CHAN-
NEL selector knob, press the CHANNEL selec­tor knob, or touch a key on the keypad.

r To turn the lock feature off,

press [F] à [

r 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.

.

( )]

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again.

121.5

ANL

Beep On/Off

The VXA-150’s key/button beeper provides conve-
nient 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):

r Press [F] à [8

(

BEEP)]; “BEEP on”

will appear on the
LCD.

r Rotate the CHAN-

NEL selector knob

one click to change the
display to “ BEEP oFF.”

r Press the [8(BEEP)] key again to save your new

setting and exit to normal operation.

5 6

BEEP SKIP

8

DW

0

J

ANL

9

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OPERATION

Receive Battery Saver Setup

An important feature of the VXA-150 is its Receive
Battery Saver, which “puts the radio to sleep” for a
time interval, frequently and rapidly “waking it up”
to check for activity. If somebody is talking on the
channel, the VXA-150 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:

r Press the [F] key, then press the CHANNEL se-

lector knob to activate the Menu (“SET”) mode.

r Rotate the CHANNEL selector knob to select

Menu item “RSAV.”

r Press the CHANNEL selector knob to enable ad-

justment of this Menu item.

r Rotate the CHANNEL 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
ABSø or oFF. The default value is 1:1.

r When you have made your selection, press the

CHANNEL selector knob to save the new set­ting, and then press the PTT switch exit to nor­mal operation.

ABS: Automatic Battery Saver, based on activity

ø

on the receiver.
The setting of 1:5 will promote the greatest conser-

vation 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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MEMORY OPERATION

The VXA-150 provides 50 user-programmable
“Main” memories, labeled “CH-001” through “CH
050,” and up to 100 pre-programmed memories, des­ignated “Book” Memories. The “ ” icon appears
when “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-150’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

-

r Select the desired frequency in the VFO mode,

or recall the Book Memory channel or Weather
channel to be stored in the Main Memory.

r Press and hold the [MW (SPL.W)] key for 2

seconds. The display will indicate “CH-” and a
channel number will blink on the LCD.

r Within five seconds of pressing the [MW

(

SPL.W)] key, rotate the CHANNEL selector

knob to select the desired memory channel num­ber for storage.
In order to prevent writing over memory chan­nels, a bar will appear under the hyphen (located
between “CH” and the channel number) to indi­cate a vacant memory channel.

r Now press and hold in the [MW (SPL.W)] key

for 2 seconds; you will now see “
LCD. To attach an alpha/numeric name (label)
to the memory, proceed to the next step; other­wise press and hold [MW (SPL.W)] for 2 sec­onds to save the entry and exit.

r To label a memory with an alpha/numeric name,

the next step is to use the CHANNEL selector
knob to select any of the 48 available characters
(including letters, numbers, and special symbols).

- - - - - - - -

” on the

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MEMORY OPERATION

When the desired first character appears, press
the CHANNEL selector knob momentarily to
move on to the next character.

r Select succeeding characters in the same man-

ner, pressing the CHANNEL selector knob mo­mentarily after each selection.

r 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 stored a Weather Channel, the
“WX-001~ WX-010” labels utilize the alphanu­meric memory, and other labels may not be stored.

Advice: The entire Memory Storage procedure, de­scribed above, is subject to a five-second “time-out”
timer. If you wait more than five seconds after any
key press or control function, the entire Memory Stor­age process times-out, and you will have to start over.

Alpha-tag Charactors

0 1 2 3 4 5 6 7 8 9 A B
C D E F G H I J K L M N
O P Q R S T U V W X Y Z

< > +

-

Û / D µ S | -

Recalling the Memories

r Press the CHANNEL selector knob, 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.

r Rotate the CHANNEL selector knob to select

the desired memory channel.

r 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).

r To change the Memory display title, press the

[ ( )]
get the desired display title structure.

r To exit the Memory mode, press the CHANNEL se-

lector knob momentarily to return to the VFO mode.

Note: In the “Book” Memory mode, you can change
memory channels in 10 channel steps: press the [F
key momentarily, then rotate the CHANNEL selec­tor knob. The “ ” icon will show at the right edge
of the display when the 10 channel step tuning mode
is active. Press the [F] key once more to resume nor­mal channel selection in 1 channel steps.

key repeatedly, if necessary, until you

]

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SCANNING OPERATION

The VXA-150 allows you to scan automatically in
the VFO
Weather Channelø2 modes. It pauses on signals en­countered, so you can talk to the station(s) on that
frequency, if you like.

ø1: In the VFO mode, the automatic scanner is only

ø2: USA version only.

If you wish to scan in the NAV band (108.000 -

117.975 MHz), you can do so manually, as described
at the right.

Scanning operation is basically the same in each of
the above modes.

r Press the [SCAN (DW)] key momentarily to start

r When the scanner encounters a signal, scanning

ø 1

, Main Memory, “Book” Memory, or

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.

the automatic scanner upward (toward a higher
frequency or a higher channel number).

pauses and the radio remains on that channel until
one second after the signal disappears, after
which scanning will resume.

r While the scanner remains paused on a frequency,

the decimal point of the frequency display blinks.
The display and keypad will be illuminated un­less the Scan Lamp Feature is turned off.

r To change the scan direction, turn the CHAN-

NEL selector knob one click in the opposite di-

rection.

r To stop the automatic scanner, press the PTT switch

or the CHANNEL selector knob momentarily. You
may also press [SCAN (DW)] key again.

The VXA-150’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:

r Press and hold the [SCAN (DW)] key to start

the manual scanner. Scanning will continue as
long as the key is depressed.

r Release the [SCAN (DW)] key to stop the

manual scanner immediately.

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SCANNING OPERATION

Memory 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 scanning, if you like, so
as not to interfere with automatic channel scanning:

r Recall the Memory Channel to be skipped dur-

ing scanning.

r Press [F] à [9 (SKIP)]. The “SKIP” icon will

appear in the lower right corner, indicating that
the channel is to be ignored during scanning.

r 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).

r Later, to re-enable the memory channel for scan-

ning, repeat the first two steps. The “SKIP” icon
will disappear by the channel you have just re­enabled.

Notes: A memory set to be “skipped” is still acces­sible for manual memory selection using the CHAN-
NEL selector knob.
“Skip” scanning is not available when scanning in
the “VFO” mode.

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DUAL WATCH OPERATION

The Dual Watch feature automatically checks for
activity on a “priority” channelø 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-
150 looks for activity on each channel.

r To start Dual Watch, press [F] à [SCAN (DW)].

The “DW” icon will appear on the display.

r While receiving on the “current” channel (not

the Priority channel), you may push the PTT
switch at any time to transmit on that channel.

r When a signal is received on the Priority chan-

nel, operation immediately shifts to the Priority
channel, the “DW” icon will blink, and the dis­play and keypad 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.

r To stop Dual Watch, press [F] à [SCAN (DW)].
r 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

ø

Memory Channel (when using the VFO mode) or
Memory Channel 1 (when using the Main Memory

or Book Memory modes).

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PRIORITY DUAL WATCH OPERA TION

Similar to Dual Watch operation (described on pre­vious page), Priority Dual Watch is an enhanced ver­sion which includes the following additional features:

l The receiving time interval (ratio) between the

current channel and the Priority channel may be
customized via the Menu mode, item PRTM. See
page 33 for details.

l Irrespective of which channel is currently being

received, when the PTT switch is pushed trans­mission will always occur on the Priority chan­nel.

Before initiating Priority Dual Watch, Menu item
DWMD must be set to the “Priority” mode (instead
of “Dual Watch”). See page 33 for details.

r To start Priority Dual Watch, press [F] à [SCAN

(DW)]

. The “DW” icon will appear on the dis-

play.

r While receiving on the “current” (non-Priority)

channel, pressing the PTT switch once causes
the radio to switch to the Priority channel and
cancels Dual Watch. Press the PTT switch again
to transmit on the Priority channel.

r When a signal is received on the Priority chan-

nel, reception immediately shifts to the Priority
channel, the “DW” icon will blink, and the dis­play and keypad will become illuminated unless
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.

r To stop Priority Dual Watch, press [F] à [SCAN

(DW)]

.

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SPLIT OPERATION

The split operation feature allows you to transmit a
call to a Flight Service Station using the COM band
frequencies, while receiving a NAV band station (such
as the ATIS, AWOS etc.). NAV band stations equipped
with this capability typically are shown, on naviga­tion charts, with the voice calling frequency in pa­renthesis above the navigation frequency.

Programming a Transmit Frequency

r Press the CHANNEL selector knob, repeatedly

if necessary, to select the VFO mode.

r Set a NAV band (108.000 - 117.975 MHz) fre-

quency using the CHANNEL selector knob or
keypad.

r Press [F] à [MW (SPL.W)]. The “SPL” icon

will blink, and the transmit frequency will ap­pear on the display.

r Now set your radio’s transmit frequency, where

the Flight Service Station will be listening for
calls, using the CHANNEL selector knob or key­pad.

r Press and hold in the [MW (SPL.W)] key for 2

seconds to save the transmit frequency and re­turn to the NAV band frequency.

Note: You have now stored the separate transmit fre-
quency, but you have not yet activated the split-fre-

quency function; go on to the next section.

Operating in the Split Mode

r It is assumed that you have already set the de-

sired NAV band station’s frequencies per the
above instructions.

r Press [F] à [7 (SPL)] to turn on the “Split”

function. The “SPL” icon will appear on the dis­play.

r Press and hold in the PTT switch to transmit on

the split transmit frequency.

r Release the PTT switch to return to the receive

mode.

r To disable the “Split” function, press [F] à [7

(

SPL)] 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.

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FIELD PROGRAMMING MODE

The VXA-150’s Book Memories also allow the user
to store, label, and recall channel frequencies which
you may want to use frequently while the VXA-150
is in the Field Programming mode.

Memory Storage into the Book Memory

r Press and hold the PTT and LAMP switches

while turning the radio on, to activate the Field
Programming Mode.

r Select the desired frequency to be stored in the

Book Memory.

r Press and hold the [MW(SPL.W)] key for 2 sec-

onds. The display will indicate “BOOK-” and a
channel number will blink on the LCD.

r Within five seconds of pressing the

[MW(

SPL.W)] key, rotate the CHANNEL se-

lector knob to select the desired memory chan­nel number for storage.

r Now press and hold in the [MW(SPL.W)] key

for 2 seconds; you will now see “
LCD. To attach an alpha/numeric name (label)
to the memory, proceed to the next step; other­wise press and hold the [MW(SPL.W)] key for
2 seconds to save the entry and exit.

- - - - - - - -

” on the

r To label a memory with an alpha/numeric name,

the next step is to use the CHANNEL selector
knob to select any of the 48 available characters
(including letters, numbers, and special symbols).
When the desired first character appears, press
down on the CHANNEL selector knob momen­tarily to move on to the next character.

r Select succeeding characters in the same man-

ner, pressing down on the CHANNEL selector
knob momentarily after each selection.

r After entering the entire name (eight characters

maximum), press the [MW(SPL.W)] key for 2
seconds to save all data for the channel.

r Turn the radio off, then turn the radio back on

again to begin normal operation.

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MENU (“SET”) MODE

PressòPress

Press

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-150.

1. Press the [F] key, then

press the CHANNEL
selector knob to activate
the Menu (“SET”)
mode.

2. Rotate the CHANNEL

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 CHANNEL
selector knob once to
view the current setting
for the item.

+

ò

ò

4. Rotate the CHANNEL

selector knob to change
the setting of the item
(ON to OFF, etc.).

5. Press the CHANNEL

selector knob 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.

C

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MENU (“SET”) MODE

MENU Listing

A listing of the Menu items available via the SET
mode may be found below.

Menu

Item

SQL

Squelch Level Setting

MCLR

Memory Channel Clear

RESM

Scan-Resume Mode Setting

SCNL

Scan Lamp On/Off

BEEP

Keypad Beeper On/Off

RSAV

Receiver Battery Saver

LAMP

LCD and Keypad Illumination Mode

SFT

CPU Clock Shift

PRTM

Priority Checking Time
Select the

DWMD

Dual Watch/Priority Function

POBP

Select the Power on Beep

LCD

Select the LCD Display Readout

IMIC

Internal Microphone On/Off

Function

Available

Values

0 ~ 8

–

CAR/5
on/oFF
on/oFF

oFF/ABS/

1:1 ~ 1:5

KEY/TGL/5

on/oFF

05/10/15/

20/25/30

DW/PRI

1/2/3/oFF
NOR/INV

on/oFF

Default

2
–

CAR

on
on

1:1

KEY

oFF

15

(

1.5 sec
DW

1

NOR

oFF

SQL

Function: Squelch Level Setting
Available Values: 0 ~ 8
Default Setting: 2

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
To Clear a Memory channel:

)

1. Select the Menu Item MCLR.

2. Press the CHANNEL selector knob, then rotate
the CHANNEL selector knob to recall the
memory channel to be erased (“SET xx” will ap­pear on the display).

3. Press the CHANNEL selector knob, then turn
the CHANNEL selector knob one click to change
the display to “CLR xx”.

4. Press and hold the CHANNEL selector knob for
2 seconds to exit.

Important Notice: An “erased” channel cannot be
restored, and “CH-001” cannot be erased, as it is
used for “Priority Channel” operation.

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MENU (“SET”) MODE

RESM

Function: Scan-Resume Mode Setting
Available Values: CAR/5
Default Setting: CAR

In the “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.
In the “5” (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).

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 stops.

BEEP

Function: Keypad Beeper On/Off
Available Values: on/oFF
Default Setting: on

If you do a lot of scanning, you may wish to set this
Menu item to “oFF,” as the Beeper will be heard each
time the scanner halts.

RSAV

Function: Receive Battery Saver
Available Values: oFF/ABSø/1:1 ~ 1:5
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

ø

on the receiver.
Note: This feature does not operate during Scan or
Dual Watch.

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MENU (“SET”) MODE

LAMP

Function: LCD and Keypad Illumination Mode
Available Values: KEY/TGL/5
Default Setting: KEY

In the “KEY” mode, the lamp will be activated for 5
seconds when any front panel key is pressed.
In the “TGL” mode, the LAMP switch toggles the
lamp on and off.
In the “5” mode, the LAMP switch activates the lamp
for 5 seconds.

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.

PRTM

Function: Priority Checking Time
Available Values: 05/10/15/20/25/30 (x0.1 sec)
Default Setting: 15 (1.5 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 : Select the Dual Watch/Priority Function
Available Values: DW/PRI
Default Setting: DW

In the DW mode, the VXA-150 will activate the Dual
Watch feature when you press [F] à [SCAN (DW)].
In the PRI mode, the VXA-150 will activate the Pri-
ority feature when you press [F] à [SCAN (DW)].

POBP

Function: Select the style of the audible “Beeps” at
Power-on
Available Values: 1/2/3/oFF (the selections will be
heard as you select them)
Default Setting: 1

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MENU (“SET”) MODE

LCD

Function : Select the LCD Display Readout
Available Values: NOR/INV
Default Setting: NOR

This feature allows the characters on the display to
be turned upside-down, for easier viewing when car­rying the radio on your belt.

IMIC

Function: Internal Microphone On/Off
Available Values: on/oFF
Default Setting: oFF

When operating the VXA-150 with External Avia­tion Headset (using supplied CT-60 Headset Cable)
or optional MH-44A4B Speaker Microphone, the
“oFF” setting causes the internal microphone to be
cut off. If an external headset or microphone is not
plugged into the MIC/EAR jack, the internal micro­phone is activated irrespective of the configuration
of this Menu item.

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IN CASE OF DIFFICULTY

Most operational difficulties can be solved by your Vertex Avionics dealer. Please contact your dealer first for
advice and assistance.

If the dealer is unable to assist you, you may contact us at Vertex Standard USA. We can be reached by tele­phone at [phone] (ask the operator for Avionics Product Support).

If your radio requires repair, it must be sent to Vertex Standard USA. Please note the following:

A Return Authorization is NOT required for repairs, either in or out of warranty. There is no need to contact

r

us before sending a radio for repair.
Please enclose a note describing the problem(s) with the radio, your name and shipping address (no P.O.

r

Box numbers), and a telephone number at which we can reach you during business hours.
Please also enclose a copy of your purchase receipt to establish the warranty date. Radio mainframes are

r

warranted for three years. Accessory items (batteries, antennas, chargers, etc.) are warranted for one year.
Repair turnaround averages about 7 to 10 working days in our shop, excluding time in shipping. This time

r

will vary, based on our current workload.
We can provide repair estimates upon your request. There is no additional charge for the estimate if you

r

authorize the repair. If you decline the repair after requesting an estimate, an estimate fee equal to our
current schedule for 1/2 hour of labor will be charged.
We return ship warranty repairs via UPS ORANGE (“3 Day Select”) service at our expense. Non-warranty

r

repairs are returned via UPS BROWN (ground service) at your expense.
The above information applies to repair procedures in the United States and Canada only. If you are in any

r

other country, please contact your dealer for specific information and instructions.

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ACCESSORIES & OPTIONS

Supplied Accessories

Ni-Cd Battery Pack (7.2V, 700mAh)FNB-64
Overnight Charger NC-72B/C/U
Helical Antenna ATV-7
Headset Cable CT-60
Operating Manual
Warranty Card

:

ø

“B” suffix is for use with 120 VAC,
“C” suffix is for use with 230-240 VAC, or
“U” suffix is for use with 230 VAC.

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.

ø

Available Options

MH-44A4B Speaker Microphone
FNB-V57 Ni-Cd Battery Pack (7.2V, 1100mAh)

(Requires VAC-400 or NC-76)
FBA-25 Alkaline Battery Case
VAC-400 Desktop Rapid Charger
NC-76B/C/UøOvernight Desktop Charger
E-DC-5B External Power Cable
CN-3 Antenna Adapter

36

ACCESSORIES & OPTIONS

á External Antenna

CN-3 Antenna Adapter (Option)

CT-60 Headset Cable

1 2 3

4

5 6 121.5

SPL8BEEP SKIP

7

MW

ANL

9

DW

0

E-DC-5B External Power Cable (Option)

Headset

(not supplied)

PTT Switch (not supplied)
An external PTT switch is required
for use with an aviation headset

This device complies with Part 15 of the FCC rules.
Operation is subject to the condition that this device does not cause harmful interference.

VXA-150 PROV OPERATING MANUAL

VERTEX STANDARD CO., LTD.

4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan

VERTEX STANDARD

US Headquarters

17210 Edwards Rd., Cerritos, CA 90703, U.S.A.

International Division

8350 N.W. 52nd Terrace, Suite 201, Miami, FL 33166, U.S.A.

YAESU EUROPE B.V.

P.O. Box 75525, 1118 ZN Schiphol, The Netherlands

YAESU UK LTD.

Unit 12, Sun Valley Business Park, Winnall Close
Winchester, Hampshire, SO23 0LB, U.K.

VERTEX STANDARD HK LTD.

Unit 5, 20/F., Seaview Centre, 139-141 Hoi Bun Road,
Kwun Tong, Kowloon, Hong Kong

0111E-AK

Copyright 2001
VERTEX STANDARD CO., LTD.
All rights reserved

No portion of this manual
may be reproduced without
the permission of
VERTEX STANDARD CO., LTD.

Printed in Japan.

E C 0 3 6 N 1 0 1