GMR2638-2CK
CHARGE
*Range may vary depending on environmental and/or topographical conditions.
• 15GMRS/7FRSChannels
• 121SubCodes
(CTCSSToneandDCSCode)
• Upto26MileRange*
• InternalVOXCircuitry
• 10SelectableCallToneAlerts
• BacklitLCDDisplay
• OptionalHeadsetAccessories
• HeadsetJack
1 Antenna
2 PTT(Push-To-Talk)Button
3 MonitorButton
4 ChannelUp/DownButton
5 Call/LockButton
6 Speaker
7 HeadsetJack
8 Menu/PowerButton
9 VolumeUp/DownButton
10 Microphone
11 BatteryLevelMeter
12 ReceiveIndicator
13 CallIndicator
14 ScanIndicator
15 ChannelIndicator
16 HiPowerIndicator
17 LowPowerIndicator
18 TransmitIndicator
19 VolumeSettingIndicator
20 KeypadLockIndicator
21 VOXIndicator
22 SubCodeIndicator
23 ChargingContacts
CongratulationsonyourpurchaseoftheUniden
GMR2638-2CK(GeneralMobileRadioService)
radio.Thislightweight,palm-sized,radioisastate-
of-the-artdevice,equippedwithmanyvaluable
features.Useitatsportingevents,tostayin
contactwithfamilyandfriends,hiking,skiing,
outdoors,orinaneighborhoodwatchforvital
communication.
PACKAGE CONTENTS
Yourpackagecontainstworadios,tworechargeable
NiMHbatterypacks,oneACadapter,onecharging
cradle,twobeltclipsandthisreferenceguide.You
canoperateeachunitusingtherechargeableNiMH
batterypackor3AAAalkalinebatteries(not
included).Toorderthefollowingoptional
accessories,visitourwebsiteatwww.uniden.com
orcall1-800-554-3988duringregularbusiness
hours..
• NiMHBatteryPack-#BT-1028orBP-1028
• ChargingCradle-#RC-1287
• ACAdapter-#AD-0001
GMRS LICENSE
INSTALL THE BATTERY
EachradiousesasuppliedNiMHbatterypackor
3AAAalkalinebatteries(notincluded).
ToinstalltheNiMHbatterypack:
1)MakesureyourradioisOFF.
2)Removethebatterycompartmentdoorby
pressingthetabatthebottomofthe
compartmentdoor,andremovethecover.
3)InstalltheNiMHbatterypackintothebattery
compartment.Becertaintofollowthe
instructionswrittenonthelabelonthebattery
pack.Installingthebatterypackincorrectlywill
preventtheunitfromoperating.
4)Replacethebatterycompartmentdoor.
USING THE RADIO
• RogerBeep
• BatteryCharger
• BatteryLevelMeter
• ChannelMonitor
• ChannelScan
• KeypadLock
• 2BeltClips
BATTERY LEVEL AND LOW
BATTERY ALERT
Thisunithasabatterylevelmeteronthedisplayto
indicatethestatusofthebatteries.Whenthe
batteryintheunitislow,thebatterylevelmeter
icon flashes.RechargetheNiMHbattery
packimmediatelyorifyouareusingthealkaline
batteries,youmustreplacethealkalinebatteriesin
ordertocontinueusingtheradio.
To avoid the risk of personal injury or
property damage from fire or electrical shock, only
use the Uniden accessories specifically designated
for this product.
GMR2638-2CK RADIO
CHARGING THE RADIO
IfyouusetherechargeableNiMHbatterypack,two
radioscanbechargeddirectlyorbyusingthe
suppliedchargingcradle.
1)Connectthechargingcradle(#RC-1287)toa
standard120VACwalloutlet.
2)Setthechargingcradleonthedeskortabletop,
andplacetheradiointhechargingcradlewith
thekeypadfacingforward.
3)MakesurethattheLEDilluminates.Chargethe
batterypackfor16hoursandremovetheradio
fromthechargingcradleaftercharging.
• Use only the supplied battery and AC adapter or
approved accessories from Uniden.
• Charge time may vary depending on the battery
life remaining.
• Do not recharge alkaline batteries. Doing so can
create a safety hazard or damage the radio.
• For fastest charging, turn off the radio before
charging.
• Battery must be installed for operation, even from
external power.
• 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.
Inordertogetthemostoutofyournewradio,read
thisreferenceguidecompletelybeforeattemptingto
operatetheunit.
1)PressandholdtheMENU/
keytoturnthe
radioON,andincreasethespeakervolumeby
pressingVOL▲.Todecreasethevolume,press
VOL▼.
2)PressandholdtheMENU/
keyagaintoturn
theradioOFF.
Yourradioemitsabeepeachtimeoneofthekeys
(exceptforthePTTbuttonandCALL/LOCKkey)is
pressed.ToturnthissoundOFF,pressandholdthe
CALL/LOCKkeywhileturningONtheradio.Repeat
thissteptoturnthesoundON.
Yourradiohas22channelsand121Subcodesyou
canusetotalktoothers.Inordertospeakto
someone,eachofyoumustbesettothesame
channelandSubcode.
Withtheradioin"Normal"operatingmodepress
CH▲/CH▼ toincreaseordecreasethechannel
number.Thechannelnumberblinks.Pressthe
MENU/
keytosetthechannel.
Channels 1-7 have an typical range of up to
26 miles. Channels 8-14 have an typical range of
up to 5 miles. Channels 15-22 have an typical
range of up to 26 miles. You can know which GMRS
or FRS channel is active by the icon. icon is
displayed while scanning GMRS channels, and the
icon is displayed while scanning FRS channels.
Totalktoothersusingtheradio:
1)PressandholdthePTTbuttonandspeakina
clear,normalvoiceabout2-3inchesawayfrom
themicrophone.Whileyouaretransmitting,the
iconappearsonthedisplay.Toavoidcutting
offthefirstpartofyourtransmission,pause
slightlyafterpressingthePTTbuttonbeforeyou
starttalking.
2)Whenyouhavefinishedspeaking,releasethe
PTTbutton.Youcannowreceiveincomingcalls.
Whilereceiving,the
iconappearsonthe
display.
Yourradioallowsyoutolistenforweaksignalson
thecurrentchannelatthepressofakey.
ToturnONtheMonitorMode:
• Forbrieflistening,pressMONbutton.The
iconblinks.
• PressandholdMONbuttonfor2secondsuntil
twobeepssoundforcontinuouslistening.The
receivercircuitstaysopen,lettingboththenoise
andweaksignalstobeheard.
ToturnOFFMonitorMode:
• PressMONbuttontoreturnto"Normal"mode,
andthe
iconstopsblinkinganddisappears.
UseMENU/
toaccessyourradio'sadvanced
functions.
Normal
Normal
VOX Level
Call Tone
1-10
OFF, 1-5
Sub Code
Scan
OFF, 1-121
ON/OFF
1)PressMENU/ toenterthemenus.
2)AdditionalpressesofMENU/
advanceyou
throughthemenusuntilexitingto"Normal"
operatingmode.
3)OthermethodsofexitingtheMenufunctionare:
a.PressandholdMENU/
again.
b.PressanykeyexceptCH▲/CH▼orVOL▲
/VOL▼andwait10secondsuntiltheunit
returnsto“Normal”mode.
Sub Code Menu
Eachofthechannels1-22mayhaveanyoneof
thecodes,OFF,or1-121selected.Code(OFF)
indicatesnoSubcodeselectedandyourradiocan
receiveasignalregardlessofthecodesettingsof
thetransmittingradio.
1)PressMENU/
toenterMenumode.The
subcodeindicatorflashes.
2)PressCH▲/CH▼keytoincreaseor
decreasethecodenumberdisplayed.Youcan
alsoselect(OFF)atthisstage.
3)PressMENU/
toexitMenumode.
4)PressanykeyotherthanCH▲/CH▼orVOL
▲/VOL▼andtheradioreturnstoIdlemode
in10seconds.
Scan Menu
Yourradiohasachannelscanfeaturethatallows
youtoeasilyscanall22channels.Whenanactive
channelisdetected,theradiopausesonthat
channeluntilthechannelisclear.Then,aftera2
seconddelay,theradiocontinuesscanning.
PressingthePTTbuttonwhilethescanispaused
onachannelallowsyoutotransmitonthat
channel.
ToturnONchannelscan:
1)PressMENU/
repeatedlyuntilthe
iconandblink.
2. PressCH▲/CH▼ toselectScanmodeand
pressMENU/
tostartit.
ToturnOFFchannelscan:
1)PressMENU/
whenthescansettingis.
2)PressanykeyotherthanCH▲/CH▼or
VOL▲/VOL▼toturnchannelscanoffin10
seconds.
Voice Operated Transmission Menu
YourradioisequippedwithauserselectableVoice
OperatedTransmitter(VOX)thatcanbeusedfor
automaticvoicetransmissions.TheVOXfeatureis
designedtobeusedwithorwithoutaheadsetwith
amicrophone.Transmissionisinitiatedbyspeaking
intothemicrophoneinsteadofpressingPTT.
ToselectVOXlevel:
1)PressMENU/
repeatedlyuntiltheicon
andtheVOXsensitivitylevel
(
OFF
,
1-5
)blink
.
2)PressCH▲/CH▼tochangetheVOX
sensitivitylevels.Uselevel1forincreased
sensitivitytovoiceinnormallyquietenvironments
,
anduseahigherleveltoreduceundesired
activationinverynoisyenvironments.
Call Tone Menu
Yourradioisequippedwith10selectablecalltones
thataretransmittedwhenCALL/LOCKispressed.
Toselectacalltone:
1)PressMENU/
repeatedlyuntiltheCALLicon
andCall Tonestarttoblinkonthedisplay.
2)PressCH▲/CH▼tomovethroughthe
availablecalltones.Eachtonewillbeheard
throughthespeakerbutwillnotbetransmitted.
Cyclethroughthesetonesandstayonthetone
youwanttoselect.
3)ExitCallTonetosettheselectedtone.
Tolockthekeypad:
1)PressandholdCALL/LOCK;
displays.
ThesefunctionsarenotaffectedbyKeyLock:
• Volume adjust
• Call tone transmission
• Enter monitor mode
• PTT transmission
• Power off
Tounlockthekeypad:
1)PressandholdCALL/LOCKagain;
disappears.
Yourradiohasacircuitdesignedtodramatically
extendthelifeofthebatteries.Ifthereisno
transmissionoranincomingcallwithin3seconds,
yourradioswitchestoPowerSavemode.Theradio
isstillabletoreceivetransmissionsinthismode.
TheLCDBacklightautomaticallyturnsONwhenany
key(exceptthePTTbutton)ispressed.TheLCD
displayilluminatesfor10secondsbeforeturning
OFF.
RogerBeepisaBEEPthatissenttonotifytheendof
transmission(bothPTTandVOXtransmission).
RogerBeepcanbeheardthroughthespeakerwhen
bothRogerBeepandKeyBeeparesettoON.When
RogerBeepissettoONandKeyBeepissettoOFF,
RogerBeepwillnotbeheardfromthespeakerbutit
willbetransmittedtoyourparty.WhenRogerBeepis
settoOFF,RogerBeepwillneitherbeheardnor
transmitted.
TochangeRogerBeepsetting:
PressandholdVOL▲whileturningtheradioonand
off.IfRogerBeepisON,itwillbeturnedoff;ifitis
OFF,itwillbeturnedon.
U01UT062ZZA(0)
English
