David Clark 3800 Manuel d'utilisateur télécharger pdf (Page 1)

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19505P-43(01-92) 1of3

INSTALLATION/OPERATIONINSTRUCTIONS

U3800MASTERSTATION

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DESCRIPTION

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The U3800 Master Station is the heart of the David Clark Company Series 3800 Intercom

System.The3800adjustsautomaticallyfor12or24VDCpowersource.Itcontainssystem

on/offandvolumecontrols,powerinputandaremoteoutput,systemfuse,plus2headsetjacks.

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INSTALLATION

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1. Selectamountinglocationwheretheheadsetcordwillnotinterferewiththeoperator'sjob

functionorotherwiseforceactionsthatmayjeopardizesafeoperation.

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WARNING

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CautionshouldbetakenwiththeU3800whenselectingamounting

positionsothatit'satleast2feetawayfromthetransmitterantenna.

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2. MounttheU3800byplacingonegrommetbetweeneachofthefourmountingbracketsand

themountingsurface.Grommetsareprovidedwiththemodulebutfastenersarenot.The

typeoffastenerselectedshouldbebasedonmountinglocation.

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3. AC3820PowerCord,twentyfeetinlength,isrequiredtoconnectaU3800MasterStation

toit'spowersource.ThestrippedandtinnedendoftheC3820incorporatesafuseholder

witha2ampslo-blowfuse.Ifconnectingtoavehicle'spowersource,considerationshould

begiventowhetheryouconnectbeforeoraftertheignitionswitch.Theredwireshouldbe

connectedtoDCpositive(power)andtheblackwireshouldbeconnectedtoDCnegative

(ground).Connectthetwopin(male)connectorofthenegative(ground).Connectthetwo

pin(male)connectorofthepowercordtothepowerinputconnectorlocatedontheMaster

Station.

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NOTE: ItisrecommendedthataNoiseSuppressionKit,suchas

RadioShackP/N270-030orequivalent,beinstalledonthe

powerlinetotheU3800MasterStationtohelpprevent

electricalnoisefromenteringtheintercomsystem.Install

thefilteratthepointwherepowerisderived.

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4. Allcordshavemilitarytypescrew-onconnectors.Installcordsasfollows:

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 a. Alignkey-wayslotoncordconnectorwithkeyinthreadedconnectoronmodule.

 b. Insertpinsintosocketuntilfirmlyseated.

 c. Handtightenswivelnutoncordconnector.

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5. ConnectMasterStationtoRemoteModulesusing(C38-XX)JumperCordsofdesired

length.

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Résumé du contenu

Page 1 - 19505P-43(01-92) 1of3

Page 2 - OPERATION

19505P-43(01-92) 2of3 6. Plugheadsetsintoheadsetjacksandensureconnectorsarefullyseated.OPERATION1. Pushthewhiteon/offbutto

Page 3 - CAREANDMAINTENANCE

19505P-43(01-92) 3of3 SERIES3800SYSTEMTROUBLESHOOTINGFailureMode PossibleCause • U3800MasterStationnotturnedon. • Volu