David Clark 3800 Uživatelský manuál stáhnout pdf (Strana 3)

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19505P-43(01-92) 3of3 

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SERIES3800SYSTEMTROUBLESHOOTING

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FailureMode PossibleCause

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• U3800MasterStationnotturnedon.

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• Volumecontrolturnedoff

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  (a)RemoteHeadsetStation

NoCommunication

 (b)MasterStation

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•Microphoneswitchonheadsetturnedoff.

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•MasterStationfuseblown.

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•Powercablelinefuseblown.

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•DCpowerloss.

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•Headsetplugnotseatedinheadsetjack.

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Squeal

•Headsetonline,butnotbeingworn,withpush-to-

talkswitchlockedon.Microphoneisprobablytoo

closetoopenearphone,causingfeedback.

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Distortion

• Systemandheadsetvolumecontrolsettoohigh.

Intermittent

Communication

• Looseconnectors

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LowVolume

• Speaker'smicplacementpoor.

• Systemvolumecontrolorheadsetvolumecontrolset

toolow.

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CAREANDMAINTENANCE

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 • Headsetandearsealscanbecleanedwithadampcloth.

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 • Storecomponentsinaclean,dryarea.

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 • Damagedcomponentsshouldbereturnedtothedistributororfactoryforservice.

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