Specifications

Section-3 Operation
November 11, 2013
3‐14
Copyright©2013,HarrisBroadcast
WARNING:Disconnectprimarypowerpriortoservicing. 888‐2628‐300
2. ExciterA/B‐Thesebuttonsselectoperationalexciter.Tousethesebuttons,placetheAuto/
ManualbuttontoManual,thenpresstheAorBbuttontoselecttheon‐airexciter.
d. Pre‐Driver/IPAControlbox(locatedatthebottomofthescreenontheright).Thisdualdriverhas2
switches:
1. Auto/Manual‐ThistogglebuttonshouldalwaysbeintheAutoposition fornormaloperation.
PlacingitinManualmodepreventsanautoswitchtothealternateIPA(Preamp/Driver).InAUTO
mode,iftheon‐airpredriver/IPAdropsbelow50%ofnominalpower,thecontrollerwillauto
‐
maticallyswitchtothebackuppre‐driver/IPA.Manualmodecouldbeusedifaexciterordriver
hasbeenremovedforserviceorforanyapplicationwhereanautomaticswitchtothealternate
IPA(Preamp/Driver)chainisnotdesired.
2. Pre‐driver/IPAA/B‐Thesearethemanualselectionbuttons.Tousethesebuttons,placethe
Auto/ManualbuttontoManual,thenpressAorBtoactivatetheon‐airpredriver/IPAcombina‐
tion.
3.5.1 DriveChainFaults
Whenthe"Faults"buttoninFigure3‐11ispressed,itwillbringupthescreenshowninFigure3‐12.Thisscreenisa
faultdisplayforexciterandpre‐driver/IPAA.PresstheNextDrivebuttontodisplayinformationforexciterand
driver/IPAB.Formoreinformationonthesefaultsandwhattodoifoneshouldoccur,refertotheM2Xexciter
manualorSection6ofthismanual.
Figure 3-12 Drive Chain Faults Screen
Note
Exciter A is always factory installed as the upper exciter unit. The optional exciter B is installed immedi-
ately above the TCU and below the top exciter unit (see layout photo Figure 1-1 on page 1-2).
ToFigure3‐13
ToFigure3‐11