UBS Axcera 840A 10,000-watt UHF solid state television transmitter User Manual

UBS-Axcera 10,000-watt UHF solid state television transmitter Instruction manual for use of equipment

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Chapter 1

10-kW UHF Transmitter with Chapter 1, IntroductionFeedforward Drive840A, Rev. 0 1-1Chapter 1IntroductionThis manual explains the installation,setup, alignment, and maintenanceprocedures for the 840A 10-kW UHFtransmitter with feedforward drive. It isimportant that you read all of theinstructions, especially the safetyinformation in this chapter, before youbegin to install or operate the unit.1.1 Manual OverviewThis instruction manual is divided intofive chapters and supporting appendices.Chapter 1, Introduction, containsinformation on the assembly numberingsystem used in the manual, safety,maintenance, return procedures, andwarranties. The second chapter describesthe transmitter and includes discussionson system control and status indicatorsas well as remote control connections.Chapter 3 explains how to unpack,install, setup, and operate thetransmitter. Chapter 4 contains adetailed discussion of the circuits andboards that make up the 840Atransmitter. Chapter 5, DetailedAlignment Procedures, providesinformation on adjusting the system toachieve peak operation of theassemblies. The appendices containassembly and subassembly drawings andparts lists as well as systemspecifications.1.2 Assembly Designation ProcedureADC has assigned assembly numbers,such as Ax (x=1,2,3…), to all assemblies,trays, and boards that are referenced inthe text of this manual and shown on theblock diagrams and interconnectdrawings provided in the appendices.These supporting documents arearranged in increasing numerical order inthe appendices. Section titles in the textfor assembly and tray descriptions oralignment procedures also indicate theassociated drawing(s) and the relevantappendix that contains that drawing.Sections describing vendor-supplieditems, such as meters and powersupplies, do not contain this information.1.3 SafetyThe UHF transmitters manufactured bythe Broadcast Systems Division of ADCare designed to be easy to use and repairwhile providing protection from electricaland mechanical hazards. Listedthroughout the manual are notes,cautions, and warnings concerningpossible safety hazards that may beencountered while operating or servicingthe transmitter. Please review thesewarnings and familiarize yourself with theoperation and servicing proceduresbefore working on the transmitter.Read All Instructions – All of theoperating and safety instructions shouldbe read and understood before operatingthis equipment.Retain Manuals – The manuals for thetransmitter should be retained at thetransmitter site for future reference. Weprovide two sets of manuals for thispurpose; one set can be left at the officewhile one set can be kept at the site.Heed all Notes, Warnings, andCautions – All of the notes, warnings,and cautions listed in this safety sectionand throughout the manual must befollowed.Follow Instructions – All of theoperating and use instructions for thetransmitter should be followed.Cleaning – Unplug or otherwisedisconnect all power from the equipmentbefore cleaning. Do not use liquid oraerosol cleaners. Use a damp cloth forcleaning.
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Document ID112605
Application IDBGMB9M9jpEo5y9LJFhTJMw==
Document DescriptionChapter 1
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatMicrosoft Word - pdf
Filesize2.74kB (34305 bits)
Date Submitted2000-08-09 00:00:00
Date Available2000-09-25 00:00:00
Creation Date2000-08-09 15:52:22
Producing SoftwareAcrobat Distiller 4.0 for Windows
Document Lastmod2000-08-09 15:52:25
Document TitleChapter 1
FCC ID Filing: OUS840A

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