User Manual DDS200 Digital Demodulation System 070-9952-00

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Manual OperationGeneral Device SettingsIntroductionThe general device settings are settings which are independent of the installedhardware or the mode selected and are accessed through the SETUP menu.SETUP MenuIn the SETUP menu, the following basic device settings are performed:Setting time and date Menu: SETUP:TIME AND DATESetting the IEC-bus address Menu: SETUP:REMOTE:IEC625-IEEE488Setting the serial interface parameters Menu: SETUP:REMOTE:RS232Selecting the type of printer Menu: SETUP: PRINTERSelection of level units Menu: SETUP:LEVEL UNITSSelection of the LCD display mode Menu: SETUPAll the basic device settings are displayed in the basic setup menu (see Figure2–15). From this menu the corresponding submenus can be accessed bypressing the associated soft key.Figure 2–15: Menu SETUPWith the LCD INVERS ON/OFF soft key, it is possible to change between twodisplay modes:LCD INVERS ONLCD INVERS OFFDark letters on white backgroundWhite letters on dark backgroundDDS200 Digital Demodulation System User Manual 2–19
Manual OperationThe display mode does not affect hardcopy or print functions.Time/Date Menu – Setting Date and Time. On pressing the TIME/DATE soft key,the setup menu for the time and date is displayed (see Figure 2–16). The timeand date of the built-in, battery-backed, crystal clock can now be set. The time isfor storing alarm messages together with the time of an event and for specifyingthe time on printed reports.Figure 2–16: SETUP: TIME DATE MenuPress the TIME soft key to set the time. The time indicated is the system time atthe moment of key actuation. To change the time, enter the time via the numerickeypad. The new time is set after confirmation with the ENT key. To change thedate, press the DATE soft key and proceed in the same way.Remote. This menu enables the remote-control interfaces of the unit to beconfigured (see Figure 2–17). This menu is entered by pressing the REMOTEsoft key in the main setup menu.2–20 DDS200 Digital Demodulation System User Manual
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®Established 1981Advanced Test Equ
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Copyright Tektronix, Inc. All righ
Page 7 and 8: Table of ContentsRemote ControlHard
Page 9 and 10: Table of ContentsIndexLocal control
Page 11 and 12: Table of ContentsFigure 2-35: ALARM
Page 13 and 14: Table of ContentsList of TablesTabl
Page 15 and 16: Table of ContentsxDDS200 Digital De
Page 17 and 18: General Safety SummaryProvide Prope
Page 19: PrefacexivDDS200 Digital Demodulati
Page 22 and 23: Preparation for UseFront PanelFront
Page 24 and 25: Preparation for UseTable 1-1: Legen
Page 26 and 27: Preparation for UseTable 1-2: Legen
Page 28 and 29: Preparation for UseUnpacking the Un
Page 30 and 31: Preparation for UsePositioning the
Page 32 and 33: Preparation for UsePowering OnConne
Page 34 and 35: Preparation for UseInitial update -
Page 36 and 37: Preparation for UseInstalling Optio
Page 38: Preparation for Use1-18 DDS200 Digi
Page 41 and 42: Manual OperationSample SettingThis
Page 43 and 44: Manual OperationFigure 2-3: MODE me
Page 45 and 46: Manual OperationPress the RECEIVER
Page 47 and 48: Manual OperationBasic OperationThe
Page 49 and 50: Manual OperationFigure 2-7: MEASURE
Page 51 and 52: Manual OperationSoft KeysThe soft k
Page 53 and 54: Manual OperationNumeric KeypadSelec
Page 55 and 56: Manual OperationPresetting the Unit
Page 57: Manual OperationFigure 2-14: RECALL
Page 61 and 62: Manual OperationFigure 2-18: SETUP:
Page 63 and 64: Manual OperationThe type of printer
Page 65 and 66: Manual OperationOperation as Demodu
Page 67 and 68: Manual OperationFigure 2-24: INPUT:
Page 69 and 70: Manual OperationFigure 2-26: STO: E
Page 71 and 72: Manual Operation84QAM16QAM32QAM64QA
Page 73 and 74: Manual OperationSPECIAL FUNCTION Me
Page 75 and 76: Manual OperationA wide loop bandwid
Page 77 and 78: Manual OperationALARM MenuThis subs
Page 79 and 80: Manual OperationPressing the ALARM
Page 81 and 82: Manual OperationFigure 2-34: ALARM:
Page 83 and 84: Manual OperationThe alarm register
Page 85 and 86: Manual OperationMEASURE MenuThe DDS
Page 87 and 88: Manual OperationFor further informa
Page 89 and 90: Manual OperationConstellation Diagr
Page 91 and 92: Manual OperationFigure 2-42 shows a
Page 93 and 94: Manual OperationQAM Parameters. Whe
Page 95 and 96: Manual OperationNOTE. For reading o
Page 97 and 98: Manual OperationPreset Values and M
Page 99 and 100: Manual OperationTable 2-4: DDS200 P
Page 101 and 102: Manual OperationExamples of Applica
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Page 105 and 106: Manual OperationThe magnitude of th
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Manual OperationFrequency of occurr
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Manual OperationFrom the standard d
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Manual OperationTable 2-5: Theoreti
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Manual OperationThe term “modulat
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Manual OperationAmplitude N = 2 4 -
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Manual OperationBER Measurement wit
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Manual Operationare taken into acco
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Manual OperationIt should be noted
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Manual OperationThe key characteris
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Manual OperationThe key characteris
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Remote Control
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Remote ControlIEC/IEEE-Bus Messages
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Remote ControlCommon commands. Comm
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Remote ControlNumeric suffix:If an
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Remote ControlExample: Special n
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Remote ControlParameter:In the para
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Remote Control*CLS*ESE 0 to 255*ESR
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Remote ControlInstrument Model and
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Remote ControlOutput UnitThe output
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Remote ControlCONDition register. T
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Remote ControlOverview of StatusReg
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Remote ControlTable 3-2: Definition
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Remote ControlTable 3-5: Definition
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Remote ControlResetting the StatusR
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Maintenance and TroubleshootingRepl
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Maintenance and TroubleshootingTabl
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Appendix A: SpecificationsTable A-1
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Appendix A: SpecificationsTable A-2
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Appendix A: SpecificationsA-6 DDS20
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Appendix B: IEC/IEEE-Bus InterfaceS
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Appendix B: IEC/IEEE-Bus InterfaceT
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Appendix C: List of Error MessagesT
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Appendix C: List of Error MessagesD
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Appendix D: List of CommandsSTATus
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Appendix D: List of CommandsSYSTem
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Appendix D: List of CommandsINPut S
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Appendix D: List of CommandsTable D
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Appendix D: List of CommandsREAD Su
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Appendix D: List of CommandsD-20 DD
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Appendix E: Programming ExamplesSen
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Appendix E: Programming ExamplesSer
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Appendix E: Programming Examples
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Appendix F: Remote Control via RS-2
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IndexHHandshake, RS232, F-5Hard key
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IndexSetting device address, 3-2Set
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