Yaesu Musen 10333021 VHF TRANSCEIVER User Manual p65

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Document Description	USER MANUAL 1 OF 3
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Date Submitted	2005-08-10 00:00:00
Date Available	2005-08-09 00:00:00
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FCC ID: K6601333021/IC ID: 511B-10333021
VX-P920
VX-P970
OPERATING MANUAL
VERTEX STANDARD CO., LTD.
4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan
VERTEX STANDARD
US Headquarters
10900 Walker Street, Cypress, CA 90630, 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
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
CONTENTS
Warning! FCC RF Exposure Requirements ............... 1
Controls & Connectors ................................................. 4
Before You Begin ........................................................... 6
Operation........................................................................ 7
Advanced Operation ................................................... 10
Programmable Key and Toggle Switch Functions ........... 10
Descriptipon of Operating Functions ............................. 12
ARTS (Auto Range Transpond System) .................... 20
DTMF Paging System.................................................. 20
User Set Mode .............................................................. 21
Optional Accessories .................................................... 22
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
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.
Notice!: There are no owner-serviceable parts inside the radio. All service jobs must be referred to an
authorized VERTEX STANDARD Service Representative. Consult your Authorized VERTEX STANDARD Dealer for installation of optional accessories.
Important Notice for North American Users Regarding 406 MHz Guard Band
The U.S. Coast Guard and National Oceanographic and Atmospheric Administration have requested the
cooperation of the U.S. Federal Communications Commission in preserving the integrity of the protected
frequency range 406.0 to 406.1 MHz, which is reserved for use by distress beacons. Do not attempt to
program this apparatus, under any circumstances, for operation in the frequency range 406.0 - 406.1 MHz
if the apparatus is to be used in or near North America.
Warning - Frequency band 406 - 406.1 MHz is reserved for use ONLY as a distress beacon by the US
Coast Guard and NOAA. Under no circumstance should this frequency band be part of the
preprogrammed operating frequencies of this radio.
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
WARNING! FCC RF EXPOSURE REQUIREMENTS
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.
WARNING:
This radio generates RF electromagnetic energy during transmit mode. This radio is designed for and
classified as Occupational Use Only, meaning it must be used only during the course of employment by
individuals aware of the hazards, and the ways to minimize such hazards. This radio is not intended for
use by the General Population in an uncontrolled environment.
CAUTION:
To ensure that your expose to RF electromagnetic energy is within the FCC allowable limits for occupational use, always adhere to the following guidelines:
 This radio is NOT approved for use by the general population in an uncontrolled exposure environment. This radio is restricted to occupational use, work related operations only where the radio operator must have the knowledge to control his or her RF exposure conditions.
 When transmitting, hold the radio in a vertical position with its microphone 2 inches (5 cm) away
from your mouth and keep the antenna at least 2 inches (5 cm) away from your head and body.
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
WARNING! FCC RF EXPOSURE REQUIREMENTS
The radio must be used with a maximum operating duty cycle not exceeding 50%, in typical Push-toTalk 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.
SAR compliance for body-worn use was only demonstrated for the specific belt-clip Part Number
(CLIP-920). Other body-worn accessories or configurations may NOT comply with the FCC RF exposure requirements and should be avoided.
DO NOT transmit when the radio is used in Body Worn configuration with the following accessory:
belt-clip.
It must be used ONLY for (1) there is 4 cm distance from the body during transmitting, (2) monitoring purposes, using the speaker only and (3) for carrying purposes.
Always use Vertex Standard authorized accessories.
The information listed above provides the user with the information needed to make him or her
aware of RF exposure, and what to do to assure that this radio operates with the FCC RF exposure
limits of this radio.
Electromagnetic Interference/Compatibility
During transmissions, this radio generates RF energy that can possibly cause interference with other
devices or systems. To avoid such interference, turn off the radio in areas where signs are posted to do so.
Do not operate the transmitter in areas that are sensitive to electromagnetic radiation such as hospitals, health care facilities, aircraft, and blasting sites.
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
CONTROLS & CONNECTORS
VOL/PWR Knob
LED Indicator
CH (Channel) Selector
Antenna Jack
TOP SEL Key
TOGGLE Switch
Main Microphone
Speaker
Steady Red:
Transmitting in progress
Steady Green:
Busy Channel
Blinking Green:
Tone Squelch in defeated condition
Dealer Programmed Color
:
Emergency, 5-Tone Decoded, or
2-Tone Decoded

 : one of “Flashing in white,”
“Continuation changes in
sequential colors,” or “toggling the two colors.”
SIDE SEL Key
MIC/SP Jack
(External MIC/SP)
PTT Switch
MONITOR Button
LAMP Button
Sub Microphone
(Noise Canceling MIC)
LCD (Liquid Crystal Display)
Battery Pack Latch
16-Button DTMF Keypad (16-key version only)
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
LCD ICONS & INDICATORS
“CALL” Indicator
This channel on “SCAN” List
Priority Scan is activated
Receiver Monitor
“Talk-Around” is enabled
“Voice Message” is received
Battery Indicator
This channel on “DUAL WATCH” List
Low Transmit Power Mode On
SUB-LCD
888: Channel Group Number
-P-:
Priority Channel
-H-: Home Channel
In: ARTS “In Range”
out: ARTS “Out of Range”
Option Unit is activated
S-meter (four steps)
“Group Scan” is enabled
Encryption is activated
12 Character Alpha-numeric Display
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
BEFORE YOU BEGIN
Battery Pack 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. Carefully mate the battery’s four insertion slots with
their corresponding alignment tabs on the transceiver case, while tilting the Belt Clip outward.
Proper alignment occurs with the battery pack
offset about 1/2 inch from the top edge of the battery compartment.

 Guide the pack on to the tabs with a slight inward
pressure, then slide the battery pack upward, until it locks in place with a “Click.”
Tilt the Belt Clip
Insert the Battery Pack

 To remove the battery, turn the radio off and remove any protective cases. Slide the Battery Pack
Latch on the bottom of the radio toward the front
panel while sliding the battery down about 1/2
inch. Then lift the battery out from the radio while
unfolding the Belt Clip.
Do not attempt to open any of the rechargeable Lithium-Ion packs, as they could explode if accidentally short-circuited.
Low Battery Indication
As the battery discharges during use, the voltage
gradually becomes lower. When the battery voltage
becomes to low, substitute a freshly charged battery
and recharge the depleted pack. The LED indicator
on the top of the radio will blink red when the battery voltage is low.
Caution
Danger of explosion if battery is replaced with
an incorrect battery. Replace only with the same
or equivalent type.
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
OPERATION
Preliminary Steps

 Install a charged battery pack
onto the transceiver, as described previously.

 Screw the supplied antenna
onto the Antenna jack. Never
attempt to operate this transceiver without an antenna connected.

 If you have a Speaker/Microphone, we recommend that it not be connected
until you are familiar with the basic operation of
the VX-920.
VX-P920/-P970 OPERATING MANUAL
Operation Quick Start

 Turn the top panel’s
VOL/PWR knob clockwise to turn the radio on.

 Turn the top panel’s CH
selector knob to choose
the desired operating
channel. A channel name
will appear on the LCD.
If you want to select the
operating channel from a different Memory Channel Group, press the Programmable key (assigned
to the Memory Group Up or Down function) to
select the Memory Channel Group you want before selecting the operating channel. A Group
name will appear on the LCD whenever the Programmable key is pressed.
Note: Some models are programmed so that the
operating channels are selected by the Programmable key and the memory channel group is selected by the CH selector knob. For further details, contact your VERTEX STANDARD dealer.
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
OPERATION

 Rotate the VOL/PWR
knob to set the volume
level. If no signal is
present, press and hold in
the MONITOR button
(under the PTT switch)
more than 2 seconds;
background noise will
now be heard, and you
may use this to set the
VOL/PWR knob for the
desired audio level. Press
and hold the MONITOR button more than 2 seconds (or press the MONITOR button twice) to
quiet the noise and resume normal (quiet) monitoring.

 To transmit, monitor the
channel and make sure it
is clear.
Press and hold the PTT
switch. Speak into the
microphone area of the
front panel grille (above the upper left edge of
the LCD) in a normal voice level. To return to the
Receive mode, release the PTT switch.

 Press the (Orange) TOP
SEL key or SIDE SEL
key (above the PTT
switch) to activate one of
the preprogrammed functions which may have
been enabled at the time
of programming by the
dealer. See the next section for details regarding
the available features.

 Switch the top panel’s
TOGGLE switch to the
[A], [B], or [Center] position to activate one of
the pre-programmed
functions which may
have been enabled at the time of programming
by the dealer (Default is Display Invert). When
this switch is in the [A(left)], [B(right)], or [Center] position, the feature programmed (by your
dealer) to that switch position will be activated.
See the next section for details regarding the available features.
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
OPERATION

 If a Speaker/Microphone is available, remove the
plastic cap and its two mounting screws from the
right side of the transceiver, then align the connector of the Speaker/Microphone on the transceiver body; secure the connector pin using the
screws supplied with the Speaker/Microphone.
Hold the speaker grille up next to your ear while
receiving. To transmit, press the PTT switch on
the Speaker/Microphone, just as you would on
the main transceiver’s body, and speak into the
microphone on a normal voice level.
Note 1): Save the original plastic cap and its
mounting screws. They should be reinstalled
when not using the Speaker/Microphone.
2) When you press the PTT switch on the
Speaker/Microphone, it disables the internal microphone, and vice versa.

 If the Busy Channel Lockout feature has been
programmed on a channel, the radio will not transmit when a carrier is present. Instead, the radio
will generate short beep three times and indicate
“* ERROR *” on the display. Release the PTT
switch and wait for the channel to be clear of activity.
VX-P920/-P970 OPERATING MANUAL

 If CTCSS or Digital Coded Squelch (DCS) Lockout has been programmed on a channel, the radio
can transmit only when there is no carrier being
received or when the carrier being received includes the correct CTCSS tone or DCS code.
Automatic Time-Out Timer
If the selected channel has been programmed for
automatic time-out, you must limit the length of each
transmission. While transmitting, a beep will sound
10 seconds before time-out. Another beep will sound
just before the deadline; the “TX” indicator will disappear and transmission will cease soon thereafter.
To resume transmitting, you must release the PTT
switch and wait for the “penalty timer” to expire.
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
ADVANCED OPERATION
Programmable Key and
Toggle Switch Functions
The VX-P920/-P970 includes the TOP SEL, SIDE
SEL, MONITOR, and LAMP keys, the TOGGLE
switch, and [A], [B], [C], [D], [
], [#] function keys.
The Programmable key and TOGGLE switch functions can be customized, via programming by your
VERTEX STANDARD dealer, to meet your communications/network requirements. Some features
may require the purchase and installation of optional
internal accessories. The possible Programmable key
and TOGGLE switch programming features are illustrated at the right, and their functions are explained
on page 12. For further details, contact your VERTEX STANDARD dealer.
FUNCTION
TOP SEL SIDE SEL MONITOR
LAMP
For future reference, check the box next to each function that has been assigned to the Programmable key
and TOGGLE switch on your particular radio, and
keep it handy.
TOGGLE SWITCH (POSITION)
Center
FUNCTION
None
Scan
Dual Watch
Low Power
Talk Around
TX Save Disable
Follow-Me Scan
Lock
Audio PC (PIT)
Clear Voice
Group Recall Shortcut
PROGRAMMABLE KEY
[A]
[ B]

 Group 1

 Group 2

 Group 3
[C ]
[D ]

 Group 1

 Group 2

 Group 3
[
 ]

 Group 1

 Group 2

 Group 3
[#]
None
Monitor
Lamp
Scan
Dual Watch
Low Power
Talk Around
TX Save Disable
Follow-Me Scan
10
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
ADVANCED OPERATION
FUNCTION
TOP SEL SIDE SEL MONITOR
LAMP
PROGRAMMABLE KEY
[A ]
[B ]
[C ]
[ D]
[
 ]
[# ]
Follow-Me Dual Watch
Group Up
Group Down
Channel Up
Channel Down
Set
Call/Reset
Call 1
Call 2
Call 3
Call 4
Call 5
Code Up
Code Down
Code Set
Speed Dial
Option SW 1
Option SW 2
Emergency
Home
Selectable Tone
Direct Channel #1
Direct Channel #2
Direct Channel #3
Direct Channel #4
SQL
AF Min Volume
Status Set
Status Up
Status Down
Status Check
Audio PC (PIT)
Lone Worker
DTMF Code Set
TA Scan
VX-P920/-P970 OPERATING MANUAL
11
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
ADVANCED OPERATION
Description of Operating Functions
MONITOR
Press the assigned programmable key to cancel
CTCSS- and DCS-controlled squelch; the BUSY/
TX indicator will blink green. Press and hold this
button for 1.5 seconds to hear background noise
(unmute the audio); the BUSY/TX indicator will
glow green.
LAMP
Press the assigned programmable key to illuminate
the LCD for five seconds.
SCAN
The Scanning feature is used to monitor multiple signals programmed into the transceiver. While scanning, the transceiver will check each channel for the
presence of a signal, and will stop on a channel if a
signal is present.
To activate scanning:

 Press the assigned programmable key, or set the
toggle switch to the assigned position to activate
scanning.

 The scanner will search the channels of each channel, looking for active ones; it will pause each time
it finds a channel on which someone is speaking.

 Press the assigned programmable key again, or
set the toggle switch to a different position to disable scanning. Operation will revert to the programmed revert channel.
Note: Your dealer may have programmed your radio to stay on one of the following channels if you
press the PTT switch during scanning pause:
 Current channel (“Talk Back”)
 “Last Busy” channel
 “Priority” channel
 “Home” channel
 “Scan Start” channel
12
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
ADVANCED OPERATION
DUAL WATCH
The Dual Watch feature is similar to the SCAN feature, except that only two channels are monitored:
 The current operating channel; and
 The Priority channel.
To activate Dual Watch:

 Press the assigned programmable key, or set the
toggle switch to the assigned position.

 The scanner will search the two channels; it will
pause each time it finds a channel on which someone is speaking.
To stop Dual Watch:

 Press the assigned programmable key, or set the
toggle switch to a different position.

 Operation will revert to the “Dual Watch Start”
channel.
LOW POWER
Press the assigned programmable key, or set the
toggle switch to the assigned position to set the
radio’s transmitter to the “Low Power” mode, thus
extending battery life. Press the key again, or set the
toggle switch to a different position to return to “Normal” transmit power when in difficult terrain.
VX-P920/-P970 OPERATING MANUAL
When the radio’s transmitter is set to “Low Power”
mode, the “ ” icon will be indicated on the display.
TALK AROUND (TA)
Press the assigned programmable key, or set the
toggle switch to the assigned position to activate the
Talk Around feature when you are operating on duplex channel systems (separate receive and transmit
frequencies, utilizing a “repeater” station). The Talk
Around feature allows you to bypass the repeater station and talk directly to a station that is nearby. This
feature has no effect when you are operating on “simplex” channels, where the receive and transmit frequencies are already the same.
When the “TA” function is activated, the “
will be indicated on the display.
” icon
Note that your dealer may have mode provision for
“Talk Around” channels by programming “repeater”
and “Talk Around” frequencies on two adjacent channels. If so, the key may be used for one of the other
Pre-Programmed Functions.
13
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
ADVANCED OPERATION
TX SAVE DISABLE
AUDIO PC (PIT)
Press the assigned programmable key, or set the
toggle switch to the assigned position to disable the
Transmit Battery Saver, if you are operating in a location where high power is almost always needed.
Press the assigned programmable key, or set the
toggle switch to activates the Audio Pitch Controller. The Audio Pitch Controller allow you to the most
comfortable and/or effective reception in noisy environments.
The Transmit Battery Saver helps extend battery life
by reducing transmit power when a very strong signal from an apparently nearby station is being received. Under some circumstances, though, your
hand-held radio may not be heard well at the other
end of the communication path, and high power may
be necessary at all times.
LOCK
Set the toggle switch to the assigned position to lock
the VX-P920/-P970’s knob, soft keys, and PTT
switch. The precise lockout configulation is programmed by your Dealer.
14
Press the key again, or set the toggle switch to a different position to disable the Audio Pitch Controller.
CLEAR VOICE
Set the toggle switch to the assigned position to activates the Clear Voice feature. When you are operaiton
in a noisy environment, activates the Clear Voice
feature. Set the toggle switch to a different position
to disable the Clear Voice feature.
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
ADVANCED OPERATION
FOLLOW-ME SCAN
FOLLOW-ME DUAL WATCH
The “Follow-Me” Scan feature checks a User-assigned Priority Channel regularly as you scan other
channels. Thus, if only Channels 1, 3, and 5 (of the 8
available channels) are designated for “Scanning,”
the user may nonetheless assign Channel 2 as the
“User-assigned” Priority Channel via the “FollowMe” feature.
To set up a “Dual Watch” frequency pair using the
“Follow-Me” feature, select a channel using the CH
Selector knob. Now press the assigned programmable
key; pressing the assigned programmable key locks
the current channel as the User-assigned Priority
Channel. Now rotate the CH Selector knob to select
another channel (not the “Scanning Start” channel).
Your radio will now switch back-and-forth between
the currently-selected channel and the User-assigned
Priority Channel.
To activate “Follow-Me” scanning, first select the
channel you want to designate as the “User-Assigned
Priority Channel” and press the assigned programmable key, or set the toggle switch to the assigned
position. Then rotate the CH Selector knob to recall
to the “Scanning Start” channel which has been programmed by your dealer to activate the scanner. When
the scanner stops on an “Active” channel, the Userassigned Priority Channel will automatically be
checked every few seconds; if activity is found on
the User-assigned Priority Channel, the radio will
switch between it and the Dealer-Assigned Priority
Channel, if any.
VX-P920/-P970 OPERATING MANUAL
During “Follow-Me” scanning (after you have
pressed the key), you can set up the “Dual Watch”
feature by rotating the CH Selector knob to another
channel. The radio will then scan back and forth between the original User-assigned Priority Channel
and the newly-selected channel.
The Priority Channel you have assigned (before
pressing the key) will be retained in memory until
you change it.
15
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
ADVANCED OPERATION
GROUP UP/DOWN
Press the assigned programmable key to select a different group of channels. Once the desired Group is
reached, rotate the CH Selector knob to select the
desired channel within the selected Group.
You may wish to have the Scanner pass through more
than one Group during the scanning process (normally, scanning is performed within the current group
only). To include the current Group in the scanning
loop, press and hold in the assigned programmable
key for one second. To remove a Group from Group
Scan, press and hold in the assigned programmable
key again for one second.
Multi-Group Scanning is only possible if you are using the “User Scan” list. To edit the User Scan list,
press and hold the assigned programmable key for
one second to delete the current Memory Group from
the Scanning. Alternatively, press and hold the assigned programmable key for one second to delete
the Current Memory channel from the Scanning.
When you delete a Group or channel, “-SCAN Skip-”
will appear on the LCD for one second after pressing
the assigned programmable key. To restore a particular channel to your scanning list, press and hold in the
assigned programmable key again for one second;
16
“-SCAN Stop-” will appear on the LCD for one second after pressing the assigned programmable key.
CHANNEL UP/DOWN
Press the assigned programmable key to select a different channel within the current group.
SET
Press the assigned programmable key to activate the
“User Set” (Menu) Mode. See page 19 for details
CALL/RESET
While the DTMF Paging System
This feature, if enabled, allows the user to change
the 3-digit Page Call code, used to call other similarly-equipped stations. Press the assigned programmable key, followed by the three digits representing
the Page Call code of the station you wish to call.
Three tones will be heard after the last key is pressed
(the new code will now be transmitted).
The receiver squelch of the other station will be
opened, and you can begin communication.
While the 2-Tone/5-Tone Paging System
This feature, if enabled, press the assigned programmable key to send a 2-tone/5-tone sequential tone.
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
ADVANCED OPERATION
CALL 1 TO CALL 5
OPTION SW1
Press the assigned programmable key to send a 2tone/5-tone sequential tone group which is pre-defined.
Press the assigned programmable key to toggle the
optional accessory “1” “On” and “Off.”
CODE UP/DOWN
Press the assigned programmable key to toggle the
optional accessory “2” “On” and “Off.”
Press the assigned programmable key to select a 2tone/5-tone encode code from the pre-defined encode
list.
CODE SET
Press the assigned programmable key to change the
encode digits for 5-tone operation. To change a specific digit, select the desired digit using the [A] key,
then change the number using the [B]/[C] keys, and
store the number using the [D] key.
SPEED DIAL (16-KEY VERSION ONLY)
Your Dealer may have pre-programmed Auto-Dial
telephone number memories into your radio.
To dial a number, press the assigned programmable
key, then press the front panel’s numeric key corresponding to the Auto-Dial memory number list provided by your Dealer or Network Administrator. The
DTMF tones sent during the dialing sequence will
be heard in the speaker.
VX-P920/-P970 OPERATING MANUAL
OPTION SW2
EMERGENCY
The VX-P920/-P970 series include an “Emergency”
feature which may be useful for alerting another party
monitoring on the same frequency as your
transceiver’s channel.
Press the assigned programmable key to initiate an
emergency call. For further details contact your
Dealer.
HOME CHANNEL
Press the assigned programmable key to recall the
pre-defined Home group/channel. When you recall
the Home group/channel, the “H” notation will appear on the LCD.
17
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
ADVANCED OPERATION
SELECTABLE TONE
AF MIN VR
Press the assigned programmable key to select a subaudible tone (CTCSS/DCS) from the pre-defined
tone table. You can operate using the indicated subaudible tone in the Selectable Tone mode.
Press the assigned programmable key to reduce the
audio output to the (lower) level programmed by your
Dealer.
DIRECT CH#1 TO #4
Press the assigned programmable key to change the
5-Tone status code. To change the status code, select
the desired digit by [A] key, then change the number
by [B]/[C] key, and store the number by [D] key.
Press the assigned programmable key to recall the
Dealer pre-programmed channel directly.
SQL
You can manually adjust the squelch level using this
function:

 Press the assigned programmable key. A tone will
sound, and the current squelch level will appear
on the display.

 Press the MONITOR/LAMP button to select the
desired squelch level.

 Two seconds after releasing the MONITOR/LAMP
button, the display will revert to the normal channel indication.
18
STATUS SET
STATUS UP/DOWN
Press the assigned programmable key to select a 5Tone status code from the pre-defined status list.
STATUS CHECK
Press the assigned programmable key to check the
5-Tone receive status code. When you press this key,
the LCD display will indicate the “Message” corresponding to the receive status condition per the predefined status list.
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
ADVANCED OPERATION
LONE WORKER
TA SCAN
Press the assigned programmable key to toggle the
Lone Worker feature “On” and “Off.”
Press the assigned programmable key to toggle the
TA (Talk Around) scan feature “On” and “Off.”
The Lone Worker feature is designed to emit an alarm
for 30 seconds when the Lone Worker Timer (programmed by your Dealer) has expired. If the user
does not reset the timer by pressing the PTT switch,
the radio switches to the Emergency mode.
While TA scan is proceeding, the VX-P920/-P970
will search both the transmit and receive frequencies (the “ ” icon will blink). When a signal is encountered on the receive frequency, the VX-P920/P970 will pause until the signal disappears (“ ”
icon will appear but not blink). When a signal is encountered on the transmit frequency, the VX-P920/
-P970 will check for activity on the receive frequency every few seconds (interval programmed by
your Dealer).
DTMF CODE SET (16-KEY VERSION ONLY)
You may send the desired telephone number manually.
To dial a number manually, press the assigned programmable key, then press the desired numbers on
the front panel’s numeric key. Now, press the PTT
switch to send the telephone number. The DTMF
tones sent during the dialing sequence will be heard
in the speaker.
VX-P920/-P970 OPERATING MANUAL
19
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
ARTS (AUTO RANGE TRANSPOND SYSTEM)
DTMF PAGING SYSTEM
This system is designed to inform you when you and
another ARTS-equipped station are within communication range.
This system allows paging and selective calling, using DTMF tone sequences.
During ARTS operation, when the radio receives the
correct ARTS signal, a short beep will sound and the
“In” (meaning “In Service” notation will be displayed
on the sub-LCD. If you move out of range for more
than two minutes, your radio senses that no signal
has been received; three short beeps will sound, and
“Out” (“Out of Service”) will be displayed on the
sub-LCD. If you subsequently move back into range,
as soon as the other station transmits, a short beep
will sound and “In” will be displayed again on the
sub-LCD.
20
When your radio is paged by a station bearing a tone
sequence which matches yours, your radio’s squelch
will open and the alert will sound. The three-digit
code of the station which paged you will be displayed
on your radio’s LCD.
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
USER SET MODE
The VX-P920/-P970 includes a “User Set (Menu)”
Mode which allows the user to define or configure
various settings, such as Beep On/Off, Squelch, LCD
contrast, etc. To activate the “User Set (Menu)”
Mode:

 Press the assigned programmable key for the
“SET” function to enter the “User Set Mode.”

 Select the User Set Mode Item you want change
using the CH selector knob.

 Press the MONITOR/LAMP button to select the
status of the selected item.

 Press PTT switch to exit to normal operation.
DISPLAY
5 Lighting
6 Lock
7 Group
8 SCAN
9 DW
10 TA
11
12
13
14
VX-P920/-P970 OPERATING MANUAL
SQL
SCN List
BEEP
BELL
AF MinVR
Beep VR
Contrast
Pitch
DESCRIPTION
Select the Squelch Threshold Level
Select the Scan List “User” or “Dealer”
Set the Beep On/Off
Set the Bell On/Off
(Bell engaged by sub-audible CTCSS/DCS)
Set the BUSY/TX LED On/Off
Set the Lock function to be Locked
(Key/PTT/Key+PTT)
Set the Operation Group
Set the Scan status
(same function as Scan key)
Set the Dual Watch status
(same function as DW key)
Set the Talk Around status
(same function as TA key)
Set the Minimum Volume level
Set the Beep volume level
Set the LCD contrast
Select the Special Receive Audio Response
21
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
OPTIONAL ACCESSORIES
FNB-V86LI
FNB-V87LI
FBA-34
VAC-920
PA-39
SRX-3
SRX-4
MH-65A7A
ATV-8A
ATV-8B
ATV-8C
ATV-6XL
7.4V, 1150 mAh Lithium-Ion Battery
7.4V, 2000 mAh Lithium-Ion Battery
Alkaline Battery Case (6 x AA)
Desk top Rapid Charger
AC Adapter
Multi Band Receiver Unit
(450-512 MHz)
Multi Band Receiver Unit
(134-174 MHz)
Speaker/Microphone
VHF Antenna (134-151 MHz)
VHF Antenna (150-163 MHz)
VHF Antenna (161-174 MHz)
VHF Antenna
(134-174 MHz, Untuned)
ATU-6A
ATU-6C
ATU-6D
ATU-6F
LCC-920
CE59
FIF-8
FIF-10A
CT-108
CT-109
CT-110
CT-115
CT-116
UHF Antenna (400-430 MHz)
UHF Antenna (440-470 MHz)
UHF Antenna (450-485 MHz)
UHF Antenna (485-520 MHz)
Leather Case
Programming Software
Flash ROM Writer
USB Interface
PC Programming Cable (for FIF-10)
PC Programming kit
(CT-29 + CT-115)
PC Programming Cable (for FIF-8)
PC Programming Cable (for VPL-1)
Radio to Radio Programming Cable
Availability of accessories may vary; some accessories are supplied standard per local requirements, others
may be unavailable in some regions.
Check with your VERTEX STANDARD Dealer for changes to this list.
22
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
NOTE
VX-P920/-P970 OPERATING MANUAL
23
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
NOTE
24
VX-P920/-P970 OPERATING MANUAL
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
This device complies with Part 15 of the FCC rules.
Operation is subject to the condition that this device
does not cause harmful interference.
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.
Vertex Standard Co., Ltd.
FCC ID: K6601333021/IC ID: 511B-10333021
Copyright 2005
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
0506G-AE
Vertex Standard Co., Ltd.

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