David Clark U9910-BSW User manual

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©2011DAVIDCLARKCOMPANYINCORPORATED
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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
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Li in nk ki in ng g
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.
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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.
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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.
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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.
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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.
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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.
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PurgeProcedure
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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.
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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
T
Tr ro ou ub bl le es sh ho oo ot ti in ng g
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
R
Re ep pl la ac ce em me en nt t P Pa ar rt ts s
•Battery(P/N:40688G‐90)
•Protectiveskin,black(A99‐01SKN,P/N:40796G‐02)

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9of11
19541P‐39(02‐11)
C
Ca ar re e a an nd d M Ma ai in nt te en na an nc ce e
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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:[email protected]
•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.
S
Sp pe ec ci if fi ic ca at ti io on ns s
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

F
FC CC C P Pa ar rt t 1 15 5 S St ta at te em me en nt t
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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,

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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.

I
In nd du us st tr ry y C Ca an na ad da a S St ta at te em me en nt t
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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.
U
Un na au ut th ho or ri iz ze ed d C Ch ha an ng ge es s
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ChangesormodificationsnotexpresslyapprovedbyDavidClarkCompany,Inc.couldvoidthe
users’authoritytooperatetheequipment.


U
Us sa ag ge e R Re es st tr ri ic ct ti io on ns s

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.
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11of11
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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.
