12
1.8 AUXInputCH1/CH2(K2IandK3Ionly)
TheseinputsareautomaticallyselectedinplaceofthelineinputCH1/CH2whenanexternalvoltageof24VDCisapplied
throughthe AUXCOMMANDinput,theseinputscanbeusedforemergencysignalsaspre-recordedevacuationmessages
orsimilaralarmmessages.
1.9 AlarmCH1/CH2(K2IandK3Ionly)
Relaysoutput24Voutputstocommandexternalequipment;alarmrelaysoutputnormallyclosed,openforreporting
amplifierfaults
1.10 AES/EBUInput
OnDSP equippedamplifiersCH2isthe AES/EBUinputwhenthe AES/EBUpushbuttonisreleased(seethefigure1.101);
K3IandK2Ihavededicated AES/EBUinputandauxiliaryinputontwoPhoenix
connectors(seefigure1.10.2).
inthismode,ifananaloginputinCH2isapplied,the ANALOGCH2OUTisoff;ifCH2isusedasanaloginputthe
AES/EBUpushbuttonmustbepressed.
K3I-K2I
modelonly
dedicated
AES/EBUinputs
AES/EBUpushbutton:
pressed-analoginput
released-AES/EBUinput
figure1.10.1
figure1.10.2