Kenwood NEXEDGE NX-220 User manual

© B5A-0094-00
VHF DIGITAL TRANSCEIVER
NX-220
UHF DIGITAL TRANSCEIVER
NX-320/ NX-322
800MHz DIGITAL TRANSCEIVER
NX-420
INSTRUCTION MANUAL

i
Thank You
We are grateful you have chosen KENWOOD for your land
mobile radio applications.
This instruction manual covers only the basic operations of your
NEXEDGE portable radio. Ask your dealer for information on any
customized features they may have added to your radio.
noTices To The user
◆Government law prohibits the operation of unlicensed radio
transmitters within the territories under government control.
◆Illegal operation is punishable by fine and/or imprisonment.
◆Refer service to qualified technicians only.
Safety: It is important that the operator is aware of, and
understands, hazards common to the operation of any
transceiver.
The AMBE+2TM voice coding Technology embodied in this product
is protected by intellectual property rights including patent rights,
copyrights and trade secrets of Digital Voice Systems, Inc. This
voice coding Technology is licensed solely for use within this
Communications Equipment. The user of this Technology is explicitly
prohibited from attempting to extract, remove, decompile, reverse
engineer, or disassemble the Object Code, or in any other way
convert the Object Code into a human-readable form. U.S. Patent
Nos. #5,826,222, #5,754,974, #5,701,390, #5,715,365, #5,649,050,
#5,630,011 and #5,581,656
Firmware Copyrights
The title to and ownership of copyrights for firmware embedded in
KENWOOD product memories are reserved for JVC KENWOOD
Corporation.

ii
PrecauTions
• Donotchargethetransceiverandbatterypackwhentheyarewet.
• Ensurethattherearenometallicitemslocatedbetweenthe
transceiver and the battery pack.
• DonotuseoptionsnotspeciedbyKENWOOD.
• Ifthedie-castchassisorothertransceiverpartisdamaged,donot
touch the damaged parts.
• Ifaheadsetorheadphoneisconnectedtothetransceiver,reduce
the transceiver volume. Pay attention to the volume level when
turning the squelch off.
• Donotplacethemicrophonecablearoundyourneckwhilenear
machinery that may catch the cable.
• Donotplacethetransceiveronunstablesurfaces.
• Ensurethattheendoftheantennadoesnottouchyoureyes.
• Whenthetransceiverisusedfortransmissionformanyhours,the
radiator and chassis will become hot. Do not touch these locations
when replacing the battery pack.
• Alwaysswitchthetransceiverpoweroffbeforeinstallingoptional
accessories.
• ThechargeristhedevicethatdisconnectstheunitfromtheAC
mains line. The AC plug should be readily accessible.
Turn the transceiver power off in the following locations:
• Inexplosiveatmospheres(inammablegas,dustparticles,metallic
powders, grain powders, etc.).
• Whiletakingonfuelorwhileparkedatgasolineservicestations.
• Nearexplosivesorblastingsites.
• Inaircrafts.(Anyuseofthetransceivermustfollowtheinstructions
and regulations provided by the airline crew.)
• Whererestrictionsorwarningsarepostedregardingtheuseof
radio devices, including but not limited to medical facilities.
• Nearpersonsusingpacemakers.

iii
• Donotdisassembleormodifythetransceiverforanyreason.
• Donotplacethetransceiveronornearairbagequipmentwhilethe
vehicleisrunning.Whentheairbaginates,thetransceivermay
be ejected and strike the driver or passengers.
• Donottransmitwhiletouchingtheantennaterminalorifany
metallic parts are exposed from the antenna covering. Transmitting
at such a time may result in a high-frequency burn.
• Ifanabnormalodororsmokeisdetectedcomingfromthe
transceiver, switch the transceiver power off immediately, remove
the battery pack from the transceiver, and contact your KENWOOD
dealer.
• Useofthetransceiverwhileyouaredrivingmaybeagainsttrafc
laws. Please check and observe the vehicle regulations in your
area.
• Donotexposethetransceivertoextremelyhotorcoldconditions.
• Donotcarrythebatterypackwithmetalobjects,astheymayshort
the battery terminals.
• Dangerofexplosionifthebatteryisincorrectlyreplaced;replace
only with the same type.
• When attaching a commercial strap to the transceiver, ensure
that the strap is durable. In addition, do not swing the transceiver
aroundbythestrap;youmayinadvertentlystrikeandinjureanother
person with the transceiver.
• Ifacommerciallyavailableneckstrapisused,takecarenottolet
the strap get caught on nearby machine.
• When operating the transceiver in areas where the air is dry, it is
easytobuildupanelectriccharge(staticelectricity).Whenusing
an earphone accessory in such conditions, it is possible for the
transceiver to send an electric shock through the earphone and to
your ear. We recommend you use only a speaker/microphone in
these conditions, to avoid electric shocks.
• Todisposeofbatteries,besuretocomplywiththelawsand
regulations in your country or region.

iv
Information concerning the battery pack:
Thebatterypackincludesammableobjectssuchasorganicsolvent.
Mishandlingmaycausethebatterytoruptureproducingamesor
extreme heat, deteriorate, or cause other forms of damage to the
battery. Please observe the following prohibitive matters.
• Do not disassemble or reconstruct battery!
The battery pack has a safety function and protection circuit to
avoid danger. If they suffer serious damage, the battery may
generateheatorsmoke,rupture,orburstintoame.
• Do not short-circuit the battery!
 Donotjointhe+and–terminalsusinganyformofmetal(such
as a paper clip or wire). Do not carry or store the battery pack
incontainersholdingmetalobjects(suchaswires,chain-
necklace or hairpins). If the battery pack is short-circuited,
excessivecurrentwillowandthebatterymaygenerateheat
orsmoke,rupture,orburstintoame.Itwillalsocausemetal
objects to heat up.
• Do not incinerate or apply heat to the battery!
If the insulator is melted, the gas release vent or safety function
is damaged, or the electrolyte is ignited, the battery may
generateheatorsmoke,rupture,orburstintoame.
• Do not leave the battery near fires, stoves, or other heat
generators (areas reaching over 80°C/ 176°F)!
If the polymer separator is melted due to high temperature,
an internal short-circuit may occur in the individual cells and
the battery may generate heat or smoke, rupture, or burst into
ame.
• Avoid immersing the battery in water or getting it wet by
other means!
If the battery becomes wet, wipe it off with a dry towel before
use. If the battery’s protection circuit is damaged, the battery
maychargeatextremecurrent(orvoltage)andanabnormal
chemical reaction may occur. The battery may generate heat or
smoke,rupture,orburstintoame.

v
• Do not charge the battery near fires or under direct
sunlight!
If the battery’s protection circuit is damaged, the battery
maychargeatextremecurrent(orvoltage)andanabnormal
chemical reaction may occur. The battery may generate heat or
smoke,rupture,orburstintoame.
• Use only the specified charger and observe charging
requirements!
 Ifthebatteryischargedinunspeciedconditions(underhigh
temperature over the regulated value, excessive high voltage or
current over regulated value, or with a remodelled charger), it
may overcharge or an abnormal chemical reaction may occur.
The battery may generate heat or smoke, rupture, or burst into
ame.
• Do not pierce the battery with any object, strike it with an
instrument, or step on it!
This may break or deform the battery, causing a short-circuit.
The battery may generate heat or smoke, rupture, or burst into
ame.
• Do not jar or throw the battery!
An impact may cause the battery to leak, generate heat
orsmoke,rupture,and/orburstintoame.Ifthebattery’s
protection circuit is damaged, the battery may charge at an
abnormalcurrent(orvoltage),andanabnormalchemical
reaction may occur.
• Do not use the battery pack if it is damaged in any way!
The battery may generate heat or smoke, rupture, or burst into
ame.
• Do not solder directly onto the battery!
If the insulator is melted or the gas release vent or safety
function is damaged, the battery may generate heat or smoke,
rupture,orburstintoame.
• Do not reverse the battery polarity (and terminals)!
When charging a reversed battery, an abnormal chemical
reaction may occur. In some cases, an unexpected large
amountofcurrentmayowupondischarging.Thebatterymay
generateheatorsmoke,rupture,orburstintoame.

vi
• Do not charge the battery for longer than the specified
time!
If the battery pack has not finished charging even after the
regulated time has passed, stop it. The battery may generate
heatorsmoke,rupture,orburstintoame.
• Do not place the battery pack into a microwave or high
pressure container!
The battery may generate heat or smoke, rupture, or burst into
ame.
• Keep ruptured and leaking battery packs away from fire!
 Ifthebatterypackisleaking(orthebatteryemitsabadodor),
immediatelyremoveitfromammableareas.Electrolyte
leaking from battery can easily catch on fire and may cause the
batterytogeneratesmokeorburstintoame.
• Do not use an abnormal battery!
If the battery pack emits a bad odor, appears to have different
coloring, is deformed, or seems abnormal for any other reason,
remove it from the charger or operating equipment and do not
use it. The battery may generate heat or smoke, rupture, or
burstintoame.
• Do not reverse-charge or reverse-connect the battery!
The battery pack has positive and negative poles. If the battery
pack does not smoothly connect with a charger or operating
equipment,donotforceit;checkthepolarityofthebattery.If
the battery pack is reverse-connected to the charger, it will be
reverse-charged and an abnormal chemical reaction may occur.
The battery may generate heat or smoke, rupture, or burst into
ame.
• Do not touch a ruptured and leaking battery!
If the electrolyte liquid from the battery gets into your eyes,
wash your eyes out with fresh water as soon as possible,
without rubbing your eyes. Go to the hospital immediately. If
left untreated, it may cause eye-problems.

1
CONTENTS
UNPACKING AND CHECKING EQUIPMENT.....................................1
PREPARATION .................................................................................... 2
ORIENTATION ..................................................................................... 6
PROGRAMMABLE AUXILIARY FUNCTIONS ..................................10
BASIC OPERATIONS ........................................................................ 12
SCAN .................................................................................................15
FleetSync: ALPHANUMERIC 2-WAY PAGING FUNCTION ............. 17
TRUNKING CALLS (ANALOG)......................................................... 20
ADVANCED OPERATIONS ............................................................... 22
BACKGROUND OPERATIONS ......................................................... 27
UNPACKING AND CHECKING EQUIPMENT
Note: These unpacking instructions are for use by your KENWOOD
dealer, an authorized KENWOOD service facility, or the factory.
Carefully unpack the transceiver. If any items are missing or
damaged, file a claim with the carrier immediately.
SUPPLIED ACCESSORIES
Antenna (NX-420 only)......................................................................... 1
Belt clip................................................................................................. 1
Speaker/ microphone jacks cap............................................................ 1
Speaker/ microphone locking bracket................................................... 1
Stopper (types I and II only) ................................................................. 1
Instruction manual ................................................................................1
Note: Inquire at your dealer for a stopper.

2
1Match the guides of the battery pack with the grooves on
the upper rear of the transceiver, then firmly press the
battery pack in place.
2Lock the safety catch to prevent accidentally releasing the
battery pack.
3To remove the battery pack, lift the safety catch, press the
release latch, then pull the battery pack away from the
transceiver.
Note:
◆For battery pack charging procedures and usage, refer to the
battery charger Instruction Manual.
◆The battery pack is not charged at the factory; charge it before
use.
◆Install the battery pack after cleaning the battery pack contacts
and the transceiver terminals.
◆Before charging a battery pack that is attached to the
transceiver, ensure that the safety catch is firmly closed.
PREPARATION
INSTALLING/ REMOVING THE (OPTIONAL) BATTERY PACK
Safety catch
Release latch

3
INSTAllING/ rEMOvING AlKAlINE BATTErIES (OPTIONAl
BATTEry CASE)
◆Do not install batteries in a hazardous environment where
sparks could cause an explosion.
◆Never discard batteries in fire; extremely high temperatures can
cause batteries to explode.
◆Do not short circuit the battery case terminals.
◆Do not use rechargeable batteries.
Note:
◆If you do not plan to use the transceiver for a long period,
remove the batteries from the battery case.
◆This battery case has been designed for transmitting at a
power of approximately 1 W (the low power setting on your
transceiver). If you want to transmit a stronger signal (using
the high power setting on your transceiver), use an optional
rechargeable battery pack.
1To open the battery case, press on the
two tabs on the upper rear of the case,
then pull the two halves apart.
2Insert 6 AA (LR6) Alkaline batteries into
the battery case.
• Besuretomatchthepolaritieswiththose
marked in the bottom of the battery case.
3Align the tabs of the cover with the base,
then push down on the cover until it
locks in place.
INSTAllING THE ANTENNA
Screw the antenna into the connector on the
top of the transceiver by holding the antenna
at its base and turning it clockwise until
secure.

4
INSTALLING THE BELT CLIP
Note: When first installing the belt clip, you must remove the
battery pack from the rear of the transceiver.
1Remove the 2 screws from the
rear of the transceiver, then
remove the small, plastic black
covering that was held in place.
2Insert the belt clip mount into
the space on the rear of the
transceiver.
3Using the 2 screws, affix the belt
clip in place.
• Whenthebeltclipisnotinstalled,leavetheplasticcoveringin
place.
• Donotusegluewhichisdesignedtopreventscrewloosening
when installing the belt clip, as it may cause damage to the
transceiver. Acrylic ester, which is contained in these glues, may
crack the transceiver’s back panel.
INSTALLING THE CAP OVER THE SPEAKER/ MICROPHONE JACKS
Install the cap over the speaker/ microphone jacks when not
using an optional speaker/ microphone or Headset.
Note: To keep the transceiver water resistant, you must cover the
speaker/ microphone jacks with the supplied cap.
1Place the cap over the jacks so that the
locking tabs insert into the transceiver
grooves.
Plastic
covering

5
2While holding the cap in place, push it
towards the bottom of the transceiver until
the tabs on the cap click into place.
• Toremovethecap,holdthetopofthecapin
place with your finger while inserting a
3 mm or smaller flat blade screwdriver under
the bottom of the cap. Slowly slide the
screwdriver in until its tip touches the tab
inside the cap, then gently pry the cap up
(handle of screwdriver moving away from the
transceiver) to remove the cap.
INSTALLING THE (OPTIONAL) SPEAKER/ MICROPHONE
Note: The transceiver is not fully water resistant when using a
speaker/ microphone or headset.
1 Insert the speaker/ microphone plugs
into the speaker/ microphone jacks of the
transceiver.
2Place the locking bracket over the speaker/
microphone plugs so that the locking tabs
insert into the transceiver grooves.
3While holding the locking bracket in
place, push it towards the bottom of the
transceiver until the tabs on the bracket
click into place.
• Toremovethelockingbracket,pushthe
bracket up from the base.

6
ORIENTATION
There are 3 types of transceivers available:
Type I: Equipped with a display and full keypad.
Type II
<NX-220/ NX-320 only>:Equipped with a display and 4-key keypad (S,
A, <B, and C>).
Type III <NX-220/ NX-320/ NX-420 only>: Basic model.
Speaker
Battery pack
Antenna
Microphone
Type I
Speaker
Battery pack
Antenna
Microphone
Type II

7
Transmit/ Receive/ Battery low indicator
If enabled by your dealer, lights red while transmitting,
green while receiving a call (Conventional channels only),
and orange when receiving an optional signaling call. Blinks
red when the battery power is low while transmitting.
Selector knob
Rotate to select a zone or channel/group ID (default).
Power switch/ Volume control
Rotate to turn the transceiver ON/OFF and to adjust the
volume.
Auxiliary (orange) key
Press to activate its programmable function {page 10}.
PTT (Push-To-Talk) switch
Press and hold this switch, then speak into the microphone
to call a station.
Side 1 key
Press to activate its programmable function {page 10}.
The default is [Squelch Off Momentary].
Battery pack
Antenna
Microphone
Speaker
Type III

8
Side 2 key
Press to activate its programmable function {page 10}.
Types I and II: The default setting is [Backlight].
Type III: The default setting is [None] (no function).
S, A, <B, C> keys (Types I and II only)
Press to activate their programmable functions {page 10}.
Skey: The default setting is [None] (no function).
Akey: The default setting is [None] (no function).
<B key: The default setting is [Zone Down].
C> key: The default setting is [Zone Up].
Keypad (Type I only)
Press these keys to send DTMF tones. These keys can
also be programmed with secondary functions {page 10} if
a programmable function key is programmed as [Function].
Speaker/ Microphone jacks
Insert the Speaker/ Microphone or Headset plug into this
jack {page 5}.

9
DISPLAY (TYPES I AND II ONLY)
Indicator Description
Signal strength indicator {page 28}.
Monitor or Squelch Off is activated.
Blinks when an incoming call matches your
Optional Signaling.
Talk Around is activated.
Scan is in progress. Blinks while scan is
paused.
A message is stored in memory. Blinks
when a new message has arrived.
The current channel is a Priority channel.
The channel is using low transmit power.
Scrambler/ Encryption is activated.
Battery power indicator {page 27}.
The current zone (left icon) or CH/GID
(right icon) is added to scan.
VOX is activated.
Not used.

10
PROGRAMMABLE AUXILIARY FUNCTIONS
The Selector, Auxiliary (orange), Side 1, Side 2, S, A, <B,
and C> keys, as well as the Keypad, can be programmed with
the functions listed below. Please contact your dealer for further
details on these functions.
• None
• 2-tone1, 10, 13
• ActivityDetection
• ActivityReset
• Autodial1
• AutodialProgramming1
• AutoTelephone2
• Backlight1
• BatteryIndicator3
• Broadcast4
• Call1~6
• CH/GIDDown
• CH/GIDRecall
• CH/GIDSelect5
• CH/GIDUp
• ChannelEntry1
• CWMessage6
• DirectCH/GID1~5
• DirectCH/GIDSelect1~5
• DisplayFormat1
• Emergency7
• FixedVolume
• ForcedSearch4
• Function
• GPSPositionDisplay1
• GroupID/ChannelEntry1
• Group1, 6
• Group+ShortMessage1, 8
• Group+Status1, 8
• HomeCH/GID
• HomeCH/GIDSelect
• Individual1, 8
• Individual+ShortMessage1, 8
• Individual+Status1, 8
• KeyLock
• LoneWorker
• LowTransmitPower
• Maintenance1
• Monitor9
• MonitorMomentary9
• OperatorSelectableTone
(OST) 1, 10
• Priority-channelSelect1, 11
• Scan
• ScanDelete/Add
• Scrambler/Encryption
• Selcall1, 12
• Selcall+ShortMessage1, 12
• Selcall+Status1, 12
• SendtheGPSdata
• ShortMessage1
• SiteDown4
• SiteLock4
• SiteSelect4, 5
• SiteUp4
• SquelchLevel1, 10
• SquelchOff10
• SquelchOffMomentary10
• Stack1
• Status1
• TalkAround9
• TelephoneDisconnect2

11
• TransceiverPassword1
• VOX11
• ZoneDelete/Add
• ZoneDown
• ZoneSelect5
• ZoneUp
1Available only for Types I and II.
2Available only for Analog Trunking operation.
3Available only for Type III.
4Available only for NXDN Trunking operation.
5Can be programmed only on the Selector.
6Available only for NXDN Conventional operation.
7Can be programmed only on the Auxiliary (orange) key.
8Available only for NXDN Conventional and NXDN Trunking operation.
9Available only for Analog Conventional, Analog Trunking, and NXDN
Conventional operation.
10 Available only for Analog Conventional operation.
11 Available only for Analog Conventional and NXDN Conventional
operation.
12 Available only for Analog Conventional and Analog Trunking
operation.
13 Available only for NX-220/ NX-320/ NX-322.

12
BASIC OPERATIONS
SWITCHING POWER ON/OFF
Turn the Power switch/ Volume control clockwise to switch the
transceiver ON.
Turn the Power switch/ Volume control counterclockwise fully
to switch the transceiver OFF.
■Transceiver Password (Types I and II Only)
If your transceiver is password protected, you must first
enter the password before you can use the transceiver.
1Rotate the Selector to select the first digit of the
password.
2Press the S or key to accept the entry and move to
the next digit.
• PresstheAor # key to delete an incorrect digit.
3Repeat steps 1 and 2 to enter the entire password.
• Thepasswordcancontainamaximumof6digits.
4Press the S or key to confirm the entered password.
• Ifyouenteranincorrectpassword,anerrortonesounds
and the transceiver remains locked.
ADJUSTING THE VOLUME
Rotate the Power switch/ Volume control to adjust the volume.
Clockwise increases the volume and counterclockwise
decreases it.
SELECTING A ZONE AND CHANNEL/GROUP ID
Select the desired zone using the key programmed as [Zone
Select] or [Zone Up/Down]. Each zone contains a group of
channels.
Select the desired channel/group ID using the Selector knob
(default). Each channel/group ID is programmed with settings
for transmitting and receiving.