APart CHAMP-3D [4/24] Connections

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Connections

Rearpanellayout

1)Externalvolumecontrolon2poleeuroblock:hereyoucanconnectastandard10kΩlinear

potentiometer,wiredasanadjustableresistor,usingashieldedcable.Connecttheshieldto

the–connector.Whenenabledinthesettingsmenu,thisexternalpotentiometerallowsyouto

increaseordecreasethemastervolumein2dBsteps.Enablingtheexternalvolumecontrol

automaticallydisablesthefrontpanelmastervolumecontrol.Serialportvolumecontrolwill

alsobedisabled.Whennoexternalpotentiometerisconnectedwhiletheexternalvolume

controlfeatureisenabled,ortheconnectingcableisfaulty,orthevalueofthepotentiometeris

outofrange,the3SGL/ERRORLED’sonthefrontpanelwilllightupredandblink.Thedisplay

willshow“INVALIDEXT.VOL”andtheaudiosignalwillremainmuteduntiltheconnectionhas

beenrepairedortheexternalvolumecontrolhasbeendisabledinthesettingsmenu.

2)RS232portonDB9connector.Standardserialportconnectorforprogramming,external

controlandfirmwareupdatesusingourfirmwareupdateprogramavailableonline.Portsettings

arefixedat19200baudrate,8databits,noparity,nohandshake.LF(linefeed),BS(backspace)

andECHOarenotenabledbutcanbeenabledusinganRS232commandstring.More

informationintheRS232commandschapter.

WhenthetextreturnedviaRS232isgarbledornocommunicationispossible,adjustyour

communicationparameterstomatchthoseoftheunit.IfyouarenotfamiliarwithRS232

communication,serialcablesandcommunicationparameters,askforassistancefroma

qualifiedengineer!

!!!WARNING!!!

ConnectingacomputeroranyothersimilarcontroldeviceviaRS232,maycauseasevereground

loop!Groundloopsmaycauseerraticbehaviorandeventuallydamageyoursystemcomponents.

3)APNETconnector.Forfutureuse.DONOTconnectanykindofcomputernetworkcablehere.

Itwillresultinmalfunctionordamagetoyournetwork!

4)RightchannelXLRmaleinputconnector.

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5)RightchannelXLRfemaleinputsignalconnector.