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FrontPanelLayout
ThefaceofaUPA‐7isshownabove.AlthoughthereisvariationwithintheUltraSeriesamplifiers(sizeandfaceplates),the
basicfeaturesarethesame:apowerbuttonandLEDStatuswindow.
1.FrontPanelLEDDisplay
ThefrontpaneldisplaycontainsStatusLEDlightingtoindicatetheoperationstatusoftheamplifier.
• NOLED=AmplifierisOFF
• BLUELED=NormalOperation
• FLASHINGREDLED=FaultCondition‐see“Troubleshooting”sectionfordetails.
Note:ThebackpanelofeachamplifierhasanLEDStatusSelectorwhichcanturntheblueLEDsoff.
2.FrontPanelPowerSwitch
ThisswitchprovidestheON/OFFcontroloftheamplifierfromthefrontpanel.Whentheunitisoffandinstandbymode,the
switchilluminatesamber.Automaticswitchingisaccomplishedwiththe3.5mmtriggerinputonthebackpanelusinga5‐12V
DCcontrolsignal.
NoteOnAmplifierSupports:
Donotremovethesupportsor‘feet’fromyouramplifier.Inadditiontominimizingvibrationandinsulatingtheamplifier
fromthesurfaceitisplacedon,thesefeetareessentialinallowingairflowundertheamplifierforpropercooling.
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