SX237
• 22Channels(15
GMRS/7FRS
Channels)
• WeatherChannels
• 121PrivacyCodes • WeatherAlert
• ChannelScan • 5VOXlevels
• ChannelMonitor • 10Calltones
• KeyLock • RogerBeep
• BeepTone • BatteryStrengthMeter
• Backlight • BatterySave/LowBattery
Alert
• VolumeSetting • CallButton
• LastChannel
Memory
• Upto23-mileRange*
• AutoSquelch • ChargingKit(modelnames
withCK)orY-Splitmicro
USBcable(modelnames
withC)
• microUSBJack • Earbud/HeadphoneJack
* Range may vary depending on environmental and/or
topographical conditions.
1
24
5
6
7
8
9
10
11
12
3
13
1 Antenna 8LCD
2PushtoTalk 9CH/VOLUp
3 Headphone/microUSBjack 10 CH/VOLDown
4WX/LOCK 11 CH/LIGHT
5 CALL/MON 12 Microphone
6MENU/Power 13 ChargingContacts
7Speaker
CongratulationsonyourpurchaseofaUniden
SX237seriesradio.Thislightweight,palm-sized
radioisastate-of-the-artdevice,equippedwith
manyvaluablefeatures.Useitatsporting
events,tostayincontactwithfamilyand
friends,hiking,skiing,outdoors,orina
neighborhoodwatchforvitalcommunication.
Eachradiouses3AArechargeableNi-MH
batteries,included.
Ifyourmodelnumbercontainsa"C,"your
packagecontainsamicroUSBYchargingcable.
Ifyourmodelnumbercontains"CK,"itcontains
achargingkit(includingachargingcradle).
Ifyourmodelsnumbercontains"HS,"itcontains
headsets.
Refertothepackagingforotherspecific
contents..
TheradiooperatesontheGeneralMobileRadio
Service(GMRS)frequencieswhichrequirea
FederalCommunicationsCommissionlicenseto
operate.Forlicensinginformationand
applicationforms,visittheFCCon-lineat:www.
fcc.gov/wtb/ulsorcalltheFCChotlineat1-800-
418-3676.Ifyouhaveanyquestionsyoucan
contacttheFCCdirectat1-888-225-5322.
Eachradiouses3AArechargeableNiMH
batteries(included).
1. Ifnecessary,removethebeltclip.Press
uponthebeltcliplatchandslidethebelt
clipoffoftheradio.
2. Removethebatterycompartmentdoorby
pressingonandslidingoutthe
compartmentdoor.Removethecover.
3. Installthe3AAbatteries(included)intothe
batterycompartment.Becertaintofollow
the+and–symbolsinthecompartment.
Installingthebatteriesincorrectlywill
preventtheunitfromoperating.
4. Replacethebatterycompartmentdoorby
slidingthedoorintoplace.
5. Replacethebeltclipifnecessary.
6. Replacethebeltclipifnecessary.
BATTERY LEVEL /
LOW LEVEL ALERT
Thisunithasabatterylevelmeteronthe
displaytoindicatethestatusofthebatteries.
Whenthebatteryintheunitislow,thebattery
levelmetericon flashesand.Recharge
thebatteriesimmediately.
CHARGING THE RADIO
ForradioswithmicroUSBY-cable:
1. PlugonebranchofthemicroUSBY-Cable
intoeachradio'smicroUSBchargeport.
2. Inserttheotherend(USB)intoaUSB
PACKAGE CONTENTS
FCC GMRS LICENSE
INSTALL THE BATTERIES
powersource(computer,phonecharger,
etc-notincluded).
3. Chargethebatteriesfor16hoursand
disconnecttheradiofromtheY-cableafter
charging.
Forradioswithachargingcradle:
1. ConnecttheACadaptertoDCIN9Vjack
onthechargerandtoastandard120VAC
walloutlet.
2. Setthechargingcradleonthedeskor
tabletop,andplacetheradiointhe
chargingcradlewiththekeypadfacing
forward.
3. MakesurethattheLEDilluminates.Charge
thebatteriesfor16hoursandremovethe
radiofromthechargingcradleafter
charging.
Warning!
• Neither the radio nor the charging cradle are
waterproof.
• If the charging cradle falls into water, unplug it
before attempting to remove it from the water.
Allow the cradle to dry completely before
reconnecting the power.
• Wipe off dirt or shake water from your radio
before placing in the charging cradle if your
radio is soiled or wet.
Notes:
• Install the batteries before charging. Charge
time may vary depending on the battery life
remaining. For fastest charging, turn off the
radio before charging.
• If battery power is low, you cannot operate the
radio even using external power. Allow the
batteries to charge before using. If you try to
transmit while power is low, the radio will
automatically turn off.
USING THE RADIO
Inordertogetthemostoutofyournewradio,
readthisreferenceguidecompletelybefore
attemptingtooperatetheradio.
TURNING THE RADIO ON AND ADJUSTING
THE VOLUME
1. PressandholdtheMENU/ keytoturn
theradioON.
2. PressandholdtheMENU/ keytoturn
theradioOFF.
3. Pressthe▲or▼keystoincreaseor
decreasethevolumelevel.L0-L8displays
asyoupressthekeys.
USING THE MENUS
PressMENU/ keytoentertheMenusystem.
EachtimeyoupressMENU/ keyyouadvance
throughthesystem.
• PressMENU/ once;accessPrivacyCodes
(0-121).
• PressMENU/ twice;setthetransmit(call)
toneforyourradio(1-10,Off)
• PressMENU/ threetimes-accessVOX.
(Levels1-5,Off)
• PressMENU/ fourtimes-exitMenus.
WORKING WITH CHANNELS / PRIVACY
CODES
Yourradiohas22channelsand121Privacy
Codesyoucanusetotalktoothers.Inorderto
speaktosomeone,eachofyoumustbesetto
thesamechannel/PrivacyCode.
1. Withtheradioon,pressCH/LIGHTkey
once.Thecurrentchannelnumberflashes.
2. Usethe▲or▼keystoselectother
channels(1-22).Pressandhold▲or▼
keystorapidlychangechannels.
3. PressCH/LIGHTkeyagaintosetthe
selectedchannel.
4. PressMENU/ keyonce.Thecurrent
PrivacyCodeflashes.
5. Usethe▲or▼keystoselectother
PrivacyCodes(1-121).Pressandhold▲
or▼keystorapidlychangePrivacy
codes.
6. PressMENU/ keythreetimestosetthe
PrivacyCodeandexittheMenus.
VOICE OPERATED TRANSMISSIOS
Yourradioisequippedwithauserselectable
VoiceOperatedTransmitter(VOX)thatcanbe
usedforautomaticvoicetransmissions.The
VOXfeatureisdesignedtobeusedwitha
headsetwithamicrophone.Transmissionis
initiatedbyspeakingintotheheadset's
microphoneinsteadofpushingthePTTbutton.
ToselecttheVOXlevel:
1. EntertheMenu.Advancethroughthe
Menuuntilthevoxiconappearsonthe
display.Thecurrentlevel(OFF,1-5)willbe
indicated.LeveloF(OFF)disablesVOX,
whilelevels1-5setthesensitivityofthe
VOXcircuit.
2. Presseitherthe▲or▼keystoselectthe
desiredVOXsensitivitylevel.Uselevel1
forincreased
sensitivitytovoiceinnormally
quietenvironments
,anduseahigherlevel
toreduceundesiredactivationinverynoisy
environments.
CHANNEL SCAN FEATURES
Yourradiohasachannelscanfeaturethat
allowsyoutoeasilyscanall22channels.When
anactivechannelisdetected,theunitpauseson
thatchanneluntilthechannelisclear.Then,
aftera2seconddelay,theradiocontinues
scanning.
Whentheunitstopsonanactivechannel,you
canpressthePTTbuttononthemicrophoneto
transmitonthatchannel.
To turn ON channel scan
Quicklypress CH/LIGHTthenhold▼for3
seconds.Thechannelswillcycledown
throughall22chanels.Toreversescan
direction,press▲.Tostopscanning,
pressMENU/ .
TALKING ON YOUR RADIO
1. PressandholdthePTTbuttonandspeak
inaclear,normalvoiceabout2-3inches
awayfromthemicrophone.(Whileyouare
transmitting,thetxicondisplays.Toavoid
cuttingoffthefirstpartofyour
transmission,pauseslightlyafterpressing
thePTTbuttonbeforeyoustarttalking.)
2. Whenyouarefinishedspeaking,release
thePTTbutton.Youcannowreceive
incomingcalls.Whilereceiving,therxicon
displays.
KEY LOCK
1. Tolockthekeypad,pressandholdWX
LOCKkey.The iconappearsonthe
display.
2. Tounlockthekeypad,pressandholdWX
LOCKkeyagain.The icondisappears
fromthedisplay.
Note:While keylock is on, you can still use the
radio to receive, transmit, use call, turnvolume
upordown, MON and MENU/ to turn the
radio on or off.
BACKLIGHT
PressandholdCH/LIGHT.Aredbacklightturns
on.Itautomaticallyturnsoffafterseveral
seconds
TRANSMITTING A CALL ALERT TONE
Yourradioisequippedwithacalltonethatwill
betransmittedwhentheCALL/MONkeyis
pressed.
Totransmitthecalltone,presstheCALL/MON
key.Thetonewillbetransmitted.
AUTO SQUELCH
Theradioisequippedwithanautomaticsquelch
systemwhichshutsoffweaktransmissionsand
unwantednoiseduetoterrainconditionsor
rangelimitations.
MONITOR MODE
Yourradioallowsyoutolistenforweaksignals
onthecurrentchannelatthepressofakey.
ToturnONmonitormode,Pressandhold
CALL/MON for2seconds.Thetxicon
displays.Onachannelthatdoesnothave
activity,youwillhearonlyanopen-squelch
hissingnoise.
ToturnOFFmonitormode,pressandholdthe
CALL/MON keyfor2secondsagain.
Channels 143(22Channels+121Privacy
Codes)
Operating
Frequency
UHF462.5500-467.7125MHz
(GMRS)
162.4000-162.5500MHz(WX)
Power
Source
3rechargeableNiMHbatteries
perradio
Battery
Life
12hourstypical(5/5/90duty
cycle)
SPECIFICATIONS