User Manual DDS200 Digital Demodulation System 070-9952-00

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Appendix B: IEC/IEEE-Bus InterfaceTable B–3: Common commands (Cont.)CommandQuickBASIC command Function in the deviceSPE(Serial Poll Enable)IBCMD (controller%,CHR$(24))Ready for serial pollÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁSPD(Serial Poll Disable)IBCMD (controller%,CHR$(25))End of serial pollÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁPPUIBCMD (controller%,End of parallel poll query statusÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ(Parallel Poll Unconfigure) CHR$(21))Addressed CommandsThe addressed commands are in the code range 00 to 0F hex. They only affectdevices addressed as a listener.ÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁTable B–4: Addressed commandsÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁCommand QuickBASIC command Function in the deviceSDCIBCLR (efa%)Interrupts processing of received(Selected Device Clear)commands and sets the commandprocessing software to adefined initial state. The devicesetup remains unchanged.ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁGTL(Go to Local)IBLOC (efa%)Change to local mode (manualcontrol).ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁPPCIBPPC (efa%, data%)Configure device for parallel poll.ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ(Parallel Poll Configure)The QuickBASIC commandexecutes PPE/PPD in addition.ÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁB–4 DDS200 Digital Demodulation System User Manual
Appendix C: List of Error MessagesTable C–1 through Table C–5 contain all the error messages that may occur inthe DDS200 Digital Demodulation System. Negative error numbers are definedin the SCPI standard; positive error numbers identify device-specific errors.The error code is queried by means of the SYSTem:ERR? command.The left column of the tables gives the error code number. In the right column,the text of the error message that will be entered into the error/event queue orshown on the display is written in bold with an explanation following the errormessage.SCPI-Specific Error MessagesNo errorTable C–1: No errorErrornumberTest displayed upon an error queue queryExplanations0 No errorThis message is displayed when there are no entries in the error queue.Command Errors; cause bit 5 in the ESR register to be setTable C–2: Command errorsError Test displayed upon an error queue queryÁÁÁÁnumber Explanations–100–101ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁCommand ErrorCommand faulty or invalid.Invalid CharacterThe command contains a character which is invalid for that type.Example: a header containing an ampersand , “SOURCE&”.ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ–102 ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁSyntax ÁÁÁÁ errorÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ–103Command invalid.Example: the command contains block data which the device does not accept.Invalid separatorCommand contains an illegal character where a separator is expected.Example: the semicolon omitted after the command.ÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDDS200 Digital Demodulation System User Manual C–1
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®Established 1981Advanced Test Equ
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Copyright Tektronix, Inc. All righ
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Table of ContentsRemote ControlHard
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Table of ContentsIndexLocal control
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Table of ContentsFigure 2-35: ALARM
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Table of ContentsList of TablesTabl
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Table of ContentsxDDS200 Digital De
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General Safety SummaryProvide Prope
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PrefacexivDDS200 Digital Demodulati
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Preparation for UseFront PanelFront
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Preparation for UseTable 1-1: Legen
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Preparation for UseTable 1-2: Legen
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Preparation for UseUnpacking the Un
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Preparation for UsePositioning the
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Preparation for UsePowering OnConne
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Preparation for UseInitial update -
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Preparation for UseInstalling Optio
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Preparation for Use1-18 DDS200 Digi
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Manual OperationSample SettingThis
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Manual OperationFigure 2-3: MODE me
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Manual OperationPress the RECEIVER
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Manual OperationBasic OperationThe
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Manual OperationFigure 2-7: MEASURE
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Manual OperationSoft KeysThe soft k
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Manual OperationNumeric KeypadSelec
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Manual OperationPresetting the Unit
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Manual OperationFigure 2-14: RECALL
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Manual OperationThe display mode do
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Manual OperationFigure 2-18: SETUP:
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Manual OperationThe type of printer
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Manual OperationOperation as Demodu
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Manual OperationFigure 2-24: INPUT:
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Manual OperationFigure 2-26: STO: E
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Manual Operation84QAM16QAM32QAM64QA
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Manual OperationSPECIAL FUNCTION Me
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Manual OperationA wide loop bandwid
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Manual OperationALARM MenuThis subs
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Manual OperationPressing the ALARM
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Manual OperationFigure 2-34: ALARM:
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Manual OperationThe alarm register
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Manual OperationMEASURE MenuThe DDS
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Manual OperationFor further informa
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Manual OperationConstellation Diagr
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Manual OperationFigure 2-42 shows a
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Manual OperationQAM Parameters. Whe
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Manual OperationNOTE. For reading o
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Manual OperationPreset Values and M
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Manual OperationTable 2-4: DDS200 P
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Manual OperationExamples of Applica
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Manual OperationFigure 2-48: Conste
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Manual OperationThe magnitude of th
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Manual OperationFigure 2-53: Conste
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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
Page 121 and 122: Manual Operationare taken into acco
Page 123 and 124: Manual OperationIt should be noted
Page 125 and 126: Manual OperationThe key characteris
Page 127: Manual OperationThe key characteris
Page 130 and 131: Remote Control
Page 132 and 133: Remote ControlIEC/IEEE-Bus Messages
Page 134 and 135: Remote ControlCommon commands. Comm
Page 136 and 137: Remote ControlNumeric suffix:If an
Page 138 and 139: Remote ControlExample: Special n
Page 140 and 141: Remote ControlParameter:In the para
Page 142 and 143: Remote Control*CLS*ESE 0 to 255*ESR
Page 144 and 145: Remote ControlInstrument Model and
Page 146 and 147: Remote ControlOutput UnitThe output
Page 148 and 149: Remote ControlCONDition register. T
Page 150 and 151: Remote ControlOverview of StatusReg
Page 152 and 153: Remote ControlTable 3-2: Definition
Page 154 and 155: Remote ControlTable 3-5: Definition
Page 156: Remote ControlResetting the StatusR
Page 159 and 160: Maintenance and TroubleshootingRepl
Page 161: Maintenance and TroubleshootingTabl
Page 164 and 165: Appendix A: SpecificationsTable A-1
Page 166 and 167: Appendix A: SpecificationsTable A-2
Page 168 and 169: Appendix A: SpecificationsA-6 DDS20
Page 170 and 171: Appendix B: IEC/IEEE-Bus InterfaceS
Page 174 and 175: Appendix C: List of Error MessagesT
Page 180 and 181: Appendix C: List of Error MessagesD
Page 182 and 183: Appendix D: List of CommandsSTATus
Page 184 and 185: Appendix D: List of CommandsSYSTem
Page 186 and 187: Appendix D: List of CommandsINPut S
Page 188 and 189: Appendix D: List of CommandsTable D
Page 192 and 193: Appendix D: List of CommandsREAD Su
Page 200 and 201: Appendix D: List of CommandsD-20 DD
Page 202 and 203: Appendix E: Programming ExamplesSen
Page 204 and 205: Appendix E: Programming ExamplesSer
Page 206 and 207: Appendix E: Programming Examples
Page 208 and 209: Appendix F: Remote Control via RS-2
Page 214: Appendix F: Remote Control via RS-2
Page 217 and 218: IndexHHandshake, RS232, F-5Hard key
Page 219: IndexSetting device address, 3-2Set
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