David Clark U9910 HEADSET PORTABLE PART CONTAINING DECT TRANSCEIVER (UPCS) User Manual 40992G 01 U9910 BSW 2

David Clark Company Inc. HEADSET PORTABLE PART CONTAINING DECT TRANSCEIVER (UPCS) 40992G 01 U9910 BSW 2

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19541P‐39(02‐11)

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USER MANUAL

Wireless Belt Station

U9910-BSW U9910-BSW(EU)

(P/N: 40992G-01) (P/N: 40992G-03)

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READANDSAVETHESEINSTRUCTIONS.Followtheinstructionsinthisinstallation

manual.Theseinstructionsmustbefollowedtoavoiddamagetothisproductand

associatedequipment.Productoperationandreliabilitydependsonproperusage.

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DONOTINSTALLANYDAVIDCLARKCOMPANYPRODUCTTHAT

APPEARSDAMAGED.UponunpackingyourDavidClarkproduct,

inspectthecontentsforshippingdamage.Ifdamageisapparent,

immediatelyfileaclaimwiththecarrierandnotifyyourDavidClark

productsupplier.

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ELECTRICALHAZARD‐Disconnectelectricalpowerwhenmakingany

internaladjustmentsorrepairs.Allrepairsshouldbeperformedbya

representativeorauthorizedagentoftheDavidClarkCompany.

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STATICHAZARD‐Staticelectricitycandamagecomponents.

Therefore,besuretogroundyourselfbeforeopeningorinstalling

components.

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LI‐POLYMER‐ThisproductisusedwithLi‐Polymerbatteries.Donot

incinerate,disassemble,shortcircuit,orexposethebatterytohigh

temperatures.Batterymustbedisposedofproperlyinaccordance

withlocalregulations.

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TheU9910‐BSW(40992G‐01)WirelessBeltStationisaportablewirelesscommunicationdevice

thatwhenusedinconjunctionwithaU9911‐BSC(41033G‐01)ControllerBeltStationoroneof

theU9900‐seriesgatewaysbecomespartofawirelessintercomsystem.Uptofiveusersare

abletocommunicatewitheachotherwhenusingtheU9911‐BSC.Uptofourusersareableto

communicatewitheachotherandalsowithatwo‐wayradioorotherwiredintercomsystem

whenusingoneoftheU9900‐seriesgateways.Onlyonegateway/controllerisrequiredper

system.Uptofourbeltstationscanbeconnectedtoonecontroller/gateway.

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Model U9910-BSW

Wireless Belt Station

P/N 40992G-01

VOX Adjust Headset

Connector

Power

Button

Status LED

Battery

Compartment

Battery Release

Screw

Link/PTT

Button

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Figure1:OverviewofBeltStation

Beforeabeltstationandacontroller/gatewaycanbeconnected,theymustfirstbelinked.Asa

securitymeasure,theclose‐linkfeaturerequiresdevicestobeinproximityofabout1to3ft(0.3

to0.9m)inordertosuccessfullylink.Thisensuresthattheunitsarenotinadvertentlylinkedwith

otherunitsonthepremises.

Linkingprocedure:

1. Ensureunitsarewithin1to3ft(0.3to0.9m)ofeachother.

2. EnsuretheU9910‐BSWisnotalreadyconnected(seeStatusIndication).

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3. Simultaneously(within1‐2sec)pressandreleasetheLINK/PTTbuttonontheU9910‐

BSWandthecontrollerorgatewaytolinkwith.

4. AmberLED’swillflashquicklyonbothdevices.AmomentaryredLEDindicatesa

successfulclose‐link.

5. UponsuccessfullinktheU9910‐BSWwillattempttoestablishaconnectionwiththe

controller/gateway.

6. UponsuccessfullyestablishingconnectiontheLEDwillflashgreen,avoicealertwillbe

heard(seeTable1),andusersidetonewillbeenabled(seeCommunication).

7. Linkandconnectionisnowcomplete.

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Eachbeltstationisabletobelinkedtoonlyonegateway/controlleratatime.

Agateway/controllercanhaveuptosixbeltstationslinkedandbeconnectedtofourofthosesix

atonetime.

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Tip:

Oncelinked,thedeviceswillnotneedtobelinkedagainunlesstheyarepurged(see

Purging).Unitsmaybespecialorderedthatdonothavepersistentlinks.

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Thepowerbuttonhasamulti‐colorLEDinthecenterwhichservesasastatusindicationforthe

beltstation.Table1belowliststhesestates.

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Table1:LEDStatusIndication

LEDColorBlinkRateStatus

RedSolidInitializing/powerup

RedSolid Close‐linksuccessful

RedAnyLowbattery(approx.1hrremaining)

OrangeSlowIdle/Disconnected

OrangeFastLink/Connectioninprogress

OrangeSolidPTTasserted

GreenSlowConnected

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InadditiontotheLED,thebeltstationprovidesaudiofeedbackforcertainconditionsaswell.

Table2belowliststheseconditions.

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Table2:VoiceAlerts

VoiceAlerts

“ConnectionEstablished”

“ConnectionLost”

“LowBattery”

“ConnectionDeleted”(seePurging)

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Power‐up/power‐down

TopoweruptheU9910‐BSWbeltstation,pressandholdthePOWERbuttonforapproximately

twoseconds.TheLEDwillturnredandthenbeginflashingorange.Ifthebeltstationhasbeen

linkedtoacontrollerorgatewayandthatcontrollerorgatewayisinrange,thebeltstationwill

automaticallyconnectwithinafewseconds.

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TopowerdowntheU9910‐BSW,pressandholdthePOWERbuttonforapproximatelytwo

seconds.TheLEDwillturnredandthenturnoff.Thebeltstationisnowpowereddown.

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AutoShut‐off

Additionally,thebeltstationwillautomaticallypowerdownifitisdisconnectedfromits

gateway/controllerformorethan30minutes.

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Headset

InorderfortheU9910‐BSWtobeused,aDavidClarkH9900‐seriesheadsetmustbeconnected.

Toconnecttheheadset,aligntheconnectorsasshownthenpushandturnclockwise(seeFigure

2).Thereareseparateleftandrightvolumecontrolsontheheadset.

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Line up

Orange Dots and Twist

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Figure2:HeadsetConnection

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Itisalsoimportanttoproperlyweartheheadsetandcorrectlypositionthemicrophone.For

optimumnoise‐cancellingperformance,positionthemicrophone1/8”to1/4”(3‐6mm)from

yourlips.

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Figure3:WearingtheHeadset

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VOX(VoiceActivation)

TheU9910‐BSWhasaninnovativevoiceactivation(VOX)system.VOXisintendedtoprevent

backgroundnoisefrombeingunintentionallypickedupbythemicrophonewhiledetectingand

allowingvoicecommunications.TheVOXknob(seeFigure1)controlsthethresholdatwhichthe

micbecomes“hot”.Whenthemicishotyouwillhearyourownvoiceandotherconnectedusers

willhearyouaswell.PressingthePTTbuttonwillautomaticallymakethemicrophone“hot”for

aslongasthePTTishelddown,regardlessofVOXsetting.

VOXBasics

• VOXknobfullyclockwise(CW):  Micisoff

• VOXknobfullycounter‐clockwise(CCW):Micis“hot”

• VOXknobin‐betweenfullCWandfullCCW:VOXenabled

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VOXAdjustmentProcedure

1. Ensurethatthebeltstationislinkedwithacontrollerorgateway(LEDflashinggreen).

2. Standinthenoisyenvironmentwhereyouwillbeusingthesystembutdonotspeak.

3. TurnVOXknobfullycounter‐clockwise.Youwillhearacontinuoustone.

4. Whilecontinuingnottospeak,slowlyturntheVOXknobclockwiseuntilthetonestops.

5. VOXisnowoptimallysetforyourenvironment.

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Thetonewillstopautomaticallyafter5secondsofnotchangingtheVOXknobposition.

Ifyoumovetoanotherlocation,youmaywishtorepeattheaboveprocedure.



Tip:

• TurningtheVOXknobfullyclockwisewillturnoffthemicrophone.

• Conversely,turningtheVOXknobfullycounter‐clockwisewillcausethemicrophoneto

be“hot”allthetime.

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Communication

Dependingonthegatewayorcontrollerthebeltstationispairedwith,operationwillvary.Inall

casestheuserwillhearhisownvoice(sidetone)onlywhenthebeltstationisconnectedtoa

controllerorgatewayandVOXisproperlyadjusted.Sidetoneprovidesfeedbackfortheuserto

knowheisconnectedandisbeingheardbytheremoteusersaswell.Ingeneral,ifyoucanhear

yourownvoice,theotheruserscanhearyouaswell.



Range

Therangeofabeltstationandacontroller/gatewaycanbeupto300ft(100m).Ifyouareinan

environmentwithmetalorconcretewalls,thisrangecouldbereduced.Whenthebeltstation

travelsoutofrangeofthecontroller/gateway,avoicealertwillindicatethattheconnectionhas

beenlost.Toreconnect,simplymovebackintorangeandconnectionwiththe

controller/gatewaywillautomaticallybereestablished.



PTT

TheLINK/PTTbuttonallowstheusertoactivateadditionalfunctionalitysuchastospeakovera

two‐wayradioortoanaircraftintercom.PTTwillalsooverridetheVOXsetting(seeVOX).For

moreinformationseetheusermanualfortheappropriatecontrollerorgateway.



LowBattery

Undertypicalconditions,thebatteryinthebeltstationwilllastupto24hoursorlonger.Avoice

alertwillindicatetotheuserthatthebatteryisrunninglow.AdditionallytheStatusLEDwillturn

red.Approximately1hourofoperationremains.



Insomecircumstancesitmaybenecessaryto“purge”theU9910‐BSWofitsknowncontrolleror

gateway.Typicallypurgingisnotnecessaryunlesstherearemultiplecontrollersorgatewaysin

thesamevicinityandyouwishtolinkabeltstationtoadifferentcontrollerorgateway.Abelt

stationcanbelinkedtoonlyonecontrollerorgatewayatatime.



PurgeProcedure



1. Powerdownbeltstation(seePower‐up/Power‐down).

2. PressandholdLINK/PTTbutton.Donotrelease.

3. Powerupthebeltstation(seePower‐up/Power‐down).

4. ReleasePOWERbutton.

5. ReleaseLINK/PTTbutton.

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6. Avoicealertwillindicatethattheconnectionhasbeendeleted.



Whenthisprocedureiscomplete,thebeltstationwillnotautomaticallyconnecttoa

controller/gatewayandmustbelinkedagain.

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AllDavidClark9900‐serieswirelessbeltstationsandbatteryoperatedcontrollersusea3.7VLi‐

Polymerrechargeablebattery.Thisbatteryisremovedbylooseningthebatteryreleasescrew

(SeeFigure1).ThesebatteriesarechargedwiththeA99‐04CRG4‐baybatterycharger(41034G‐

01).



Wheninstallingabattery,takecaretoalignthebatteryproperlyandfullytightenthescrew(see

Figure4).



Insert Battery

with Contacts

Down

Lift Door



Figure4:BatteryInsertion/Removal

Table3:Troubleshooting

ProblemSolution

ControllerwillnotturnonReviewPower‐up/Power‐downprocedure

Ensureafreshbatteryisinstalled

CannotlinkabeltstationReviewLinkingprocedure

Ensureunitsarewithin1to3ft(0.3to0.9m)of

eachother

NosidetoneNotconnectedtoaController/Gateway

VOXsettoohigh

LowreceiveaudioAdjustleft/rightvolumeknobsonheadset

Noaudio/intermittentaudioCheckheadsetconnectiontobeltstation

• Battery(P/N:40688G‐90)

• Protectiveskin,black(A99‐01SKN,P/N:40796G‐02)



9of11

19541P‐39(02‐11)



TheU9910‐BSWisnotuserserviceable.Donotattempttoopentheenclosure.Ifthisproduct

requiresservice,pleasecontacttheDavidClarkCustomerServicedepartment:

• Phone: 800.298.6235

• E‐Mail:serviceWWW@DavidClark.com

• ByMail:CustomerService

DavidClarkCompany

360FranklinStreet

Worcester,MA01604



Ifnecessary,theU9910‐BSWmaybewipeddownwithamildsoapandwatermixture.Although

itisasealeddevicedesignedtowithstandsubmersioninwaterto1meter,donotunnecessarily

submersethisproductinwater.

Avoidstorageofthisproductindirectsunlightorhightemperatureenvironments.

FrequencyRange1920MHz‐1930MHz(U.S.andCanada)

1880MHz‐1900MHz(EU)

AverageRFPowerOutput4mW(100mWpeak)(U.S.andCanada)

10mW(250mWpeak)(EU)

Range300ft(100m)line‐of‐sight(nominal)

BatteryLife24hrscontinuoususe(nominal)

OperatingTemperature‐14°Fto113°F(‐10°Cto+45°C)

StorageTemperature‐4°Fto140°F(‐20°Cto+60°C)

PowerRequirements3.7V@100mAnominal

BatteryType3.7V2000mAhLi‐Polymer



RADIOANDTELEVISIONINTERFERENCE



ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,

pursuanttoPart15oftheFCCrules.Theselimitsaredesignedtoprovidereasonableprotection

againstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates,usesandcan

radiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,



10of11

19541P‐39(02‐11)

maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethat

interferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmful

interferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipment

offandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthe

followingmeasures:



‐Reorientorrelocatethereceivingantenna.

‐Increasetheseparationbetweentheequipmentandthereceiver.

‐Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris

connected.

‐Consultthedealeroranexperiencedradio/TVtechnicianforhelp.



Youmayalsofindhelpfulthefollowingbooklet,preparedbytheFCC:"HowtoIdentify

andResolveRadio‐TVInterferenceProblems."ThisbookletisavailablefromtheU.S.

GovernmentPrintingOffice,WashingtonD.C.20402.



*InordertomaintaincompliancewithFCCregulationsshieldedcablesmustbeusedwith

thisequipment.Operationwithnon‐approvedequipmentorunshieldedcablesislikelytoresult

ininterferencetoradio&televisionreception.



ThisdevicecomplieswithIndustryCanadalicence‐exemptRSSstandard(s).Operationissubject

tothefollowingtwoconditions:(1)thisdevicemaynotcauseinterference,and(2)thisdevice

mustacceptanyinterference,includinginterferencethatmaycauseundesiredoperationofthe

device.



ChangesormodificationsnotexpresslyapprovedbyDavidClarkCompany,Inc.couldvoidthe

users’authoritytooperatetheequipment.



USModels



DuetotheUPCSfrequenciesused,thisproductislicensedforoperationonlyintheUnitedStates

ofAmericaandCanada.



EUModels



DuetotheDECTfrequenciesused,thisproductislicensedforoperationonlyintheEuropean

Unioncountries.



11of11

19541P‐39(02‐11)



RadiowaveexposureandSpecificAbsorptionRate(SAR)information



Thisproducthasbeendesignedtocomplywithapplicablesafetyrequirementsforexposureto

radiowaves.Theserequirementsarebasedonscientificguidelinesthatincludesafetymargins

designedtoassurethesafetyofallpersons,regardlessofageandhealth.Theradiowave

exposureguidelinesemployaunitofmeasurementknownastheSpecificAbsorptionRate,or

SAR.TestsforSARareconductedusingstandardizedmethodswiththeproducttransmittingatits

highestcertifiedpowerlevelinallusedfrequencybands.Theproductisdesignedtomeetthe

relevantguidelinesforexposuretoradiowaves.



SARdatainformationforresidentsincountriesthathaveadoptedtheSARlimitrecommendedby

theInternationalCommissionofNon‐IonizingRadiationProtection(ICNIRP),whichis0.08W/kg

averagedoverten(10)gramoftissue(forexampleEuropeanUnion,Japan,BrazilandNew

Zealand):ThehighestSARvalueforthisproductwhentestedforuseonthebodyis0.275W/kg.



David Clark U9910 HEADSET PORTABLE PART CONTAINING DECT TRANSCEIVER (UPCS) User Manual 40992G 01 U9910 BSW 2

David Clark Company Inc. HEADSET PORTABLE PART CONTAINING DECT TRANSCEIVER (UPCS) 40992G 01 U9910 BSW 2

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