Agilent Technologies 2000 X-Series Instrukcja Obsługi Strona 281
- Strona / 930
- Spis treści
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Oceniono. / 5. Na podstawie oceny klientów
:FUNCtion Commands 16
Agilent InfiniiVision 2000 X-Series Oscilloscopes Programmer's Guide 281
:FUNCtion[:FFT]:CENTer
(see page 790)
Command Syntax
:FUNCtion[:FFT]:CENTer <frequency>
<frequency> ::= the current center frequency in NR3 format. The range
of legal values is from 0 Hz to 25 GHz.
The :FUNCtion[:FFT]:CENTer command sets the center frequency when
FFT (Fast Fourier Transform) is selected.
Query Syntax
:FUNCtion[:FFT]:CENTer?
The :FUNCtion[:FFT]:CENTer? query returns the current center frequency
in Hertz.
Return Format
<frequency><NL>
<frequency> ::= the current center frequency in NR3 format. The range
of legal values is from 0 Hz to 25 GHz.
See Also • "Introduction to :FUNCtion Commands" on page 278
• ":FUNCtion[:FFT]:SPAN" on page 282
• ":TIMebase:RANGe" on page 581
• ":TIMebase:SCALe" on page 583
NOTE
After a *RST (Reset) or :AUToscale command, the values returned by the
:FUNCtion[:FFT]:CENTer? and :FUNCtion:SPAN? queries depend on the current
:TIMebase:RANGe value. Once you change either the :FUNCtion[:FFT]:CENTer or
:FUNCtion:SPAN value, they no longer track the :TIMebase:RANGe value.
- Agilent InfiniiVision 1
- 2000 X-Series 1
- Oscilloscopes 1
- In This Book 3
- Contents 7
- 8 :BUS<n> Commands 10
- 9 :CALibrate Commands 10
- 10 :CHANnel<n> Commands 10
- 17 :HARDcopy Commands 12
- 18 :LISTer Commands 12
- 19 :MARKer Commands 12
- 20 :MEASure Commands 13
- 21 :MTESt Commands 14
- 22 :POD Commands 14
- 23 :RECall Commands 14
- 24 :SAVE Commands 15
- 25 :SBUS<n> Commands 15
- 26 :SEARch Commands 17
- 27 :SYSTem Commands 18
- 28 :TIMebase Commands 18
- 29 :TRIGger Commands 18
- 30 :WAVeform Commands 19
- 31 :WGEN Commands 20
- 32 :WMEMory<r> Commands 20
- 34 Error Messages 22
- 35 Status Reporting 22
- 36 Synchronizing Acquisitions 22
- 38 Programming Examples 23
- What's New 25
- 1 What's New 26
- Commands 27
- What's New 1 31
- Command Description 31
- Version 1.00 at Introduction 34
- Discontinued 37
- Setting Up 39
- 2 Setting Up 40
- Using the LAN Interface 41
- Using the GPIB Interface 42
- Setting Up 2 43
- Address 45
- Click Test Connection 45
- Getting Started 49
- Initializing 50
- Capturing Data 50
- Analyzing Captured Data 51
- Programming the Oscilloscope 52
- 3 Getting Started 54
- Getting Started 3 55
- Ensure New Data is Collected 56
- Checking Instrument Status 60
- Telnet Sockets 61
- Commands Quick Reference 63
- Command Summary 64
- 4 Commands Quick Reference 100
- NR3 format 115
- Syntax Elements 117
- Commands Quick Reference 4 119
- Common (*) Commands 121
- 5 Common (*) Commands 122
- *CLS (Clear Status) 125
- Common (*) Commands 5 127
- *IDN (Identification Number) 130
- *LRN (Learn Device Setup) 131
- *OPC (Operation Complete) 132
- *OPT (Option Identification) 133
- *RCL (Recall) 135
- *RST (Reset) 136
- *SAV (Save) 139
- *SRE (Service Request Enable) 140
- <mask><NL> 141
- *STB (Read Status Byte) 142
- *TRG (Trigger) 144
- *TST (Self Test) 145
- *WAI (Wait To Continue) 146
- Root (:) Commands 147
- 6 Root (:) Commands 148
- :ACTivity 151
- :AER (Arm Event Register) 152
- :AUToscale 153
- :AUToscale:AMODE 155
- :AUToscale:CHANnels 156
- :AUToscale:FDEBug 157
- :DIGitize 159
- :MTEenable <mask> 161
- :MTEenable? 161
- <value><NL> 161
- :MTERegister[:EVENt]? 163
- :OPEE <mask> 165
- :OPERegister:CONDition? 167
- :OPERegister[:EVENt]? 169
- :OVLRegister? 173
- Root (:) Commands 6 175
- (see page 790) 177
- Query Syntax 177
- Return Format: 177
- :TER (Trigger Event Register) 181
- :ACQuire Commands 183
- 7 :ACQuire Commands 184
- :ACQuire:COMPlete 185
- :ACQuire:COUNt 186
- :ACQuire:MODE 187
- :ACQuire:POINts 188
- :ACQuire:SEGMented:ANALyze 189
- :ACQuire:SEGMented:COUNt 190
- :ACQuire:SEGMented:INDex 191
- :ACQuire Commands 7 193
- :ACQuire:SRATe 194
- :ACQuire:TYPE 195
- :BUS<n> Commands 197
- :BUS<n>:BIT<m> 199
- :BUS<n>:BITS 200
- :BUS<n> Commands 8 201
- :BUS<n>:CLEar 202
- :BUS<n>:DISPlay 203
- :BUS<n>:LABel 204
- :BUS<n>:MASK 205
- :CALibrate Commands 207
- :CALibrate:DATE 209
- :CALibrate:LABel 210
- DC, NOISe N/A 211
- :CALibrate:PROTected 212
- :CALibrate:STARt 213
- :CALibrate:STATus 214
- :CALibrate:TEMPerature 215
- :CALibrate:TIME 216
- :CHANnel<n> Commands 217
- :CHANnel<n> Commands 10 219
- :CHANnel<n>:BWLimit 220
- :CHANnel<n>:COUPling 221
- :CHANnel<n>:DISPlay 222
- :CHANnel<n>:IMPedance 223
- :CHANnel<n>:INVert 224
- :CHANnel<n>:LABel 225
- :CHANnel<n>:OFFSet 226
- :CHANnel<n>:PROBe 227
- :CHANnel<n>:PROBe:ID 229
- :CHANnel<n>:PROBe:SKEW 230
- :CHANnel<n>:PROBe:STYPe 231
- :CHANnel<n>:PROTection 232
- :CHANnel<n>:RANGe 233
- :CHANnel<n>:SCALe 234
- :CHANnel<n>:UNITs 235
- :CHANnel<n>:VERNier 236
- :DEMO Commands 237
- :DEMO:FUNCtion 238
- Query Syntax :DEMO:FUNCtion? 239
- Return Format 239
- :DEMO:FUNCtion:PHASe:PHASe 240
- :DEMO:OUTPut 241
- 11 :DEMO Commands 242
- :DIGital<d> Commands 243
- 12 :DIGital<d> Commands 244
- :DIGital<d>:DISPlay 245
- :DIGital<d>:LABel 246
- :DIGital<d>:POSition 247
- :DIGital<d>:SIZE 248
- :DIGital<d>:THReshold 249
- :DISPlay Commands 251
- 13 :DISPlay Commands 252
- :DISPlay:ANNotation 253
- :DISPlay:ANNotation:COLor 255
- :DISPlay:ANNotation:TEXT 256
- :DISPlay:CLEar 257
- :DISPlay:DATA 258
- :DISPlay:LABel 259
- :DISPlay:LABList 260
- :DISPlay:PERSistence 261
- :DISPlay:VECTors 262
- :DVM Commands 263
- :DVM:ARANge 264
- :DVM:CURRent 265
- :DVM:ENABle 266
- :DVM:FREQuency 267
- :DVM:MODE 268
- :DVM:SOURce 269
- 14 :DVM Commands 270
- :EXTernal Trigger Commands 271
- :EXTernal:BWLimit 272
- :EXTernal:PROBe 273
- :EXTernal:RANGe 274
- :EXTernal:UNITs 275
- 15 :EXTernal Trigger Commands 276
- :FUNCtion Commands 277
- 16 :FUNCtion Commands 278
- :FUNCtion Commands 16 279
- :FUNCtion:DISPlay 280
- :FUNCtion[:FFT]:CENTer 281
- :FUNCtion[:FFT]:SPAN 282
- :FUNCtion[:FFT]:VTYPe 283
- :FUNCtion[:FFT]:WINDow 284
- :FUNCtion:GOFT:OPERation 285
- :FUNCtion:GOFT:SOURce1 286
- :FUNCtion:GOFT:SOURce2 287
- :FUNCtion:OFFSet 288
- :FUNCtion:OPERation 289
- :FUNCtion:RANGe 290
- :FUNCtion:REFerence 291
- :FUNCtion:SCALe 292
- :FUNCtion:SOURce1 293
- :FUNCtion:SOURce2 294
- :HARDcopy Commands 295
- :HARDcopy:AREA 297
- :HARDcopy:APRinter 298
- :HARDcopy:FACTors 299
- :HARDcopy:FFEed 300
- :HARDcopy:INKSaver 301
- :HARDcopy:LAYout 302
- :HARDcopy:NETWork:ADDRess 303
- :HARDcopy:NETWork:APPLy 304
- :HARDcopy:NETWork:DOMain 305
- :HARDcopy:NETWork:PASSword 306
- :HARDcopy:NETWork:SLOT 307
- :HARDcopy:NETWork:USERname 308
- :HARDcopy:PALette 309
- :HARDcopy:PRINter:LIST 310
- :HARDcopy:STARt 311
- :LISTer Commands 313
- :LISTer:DATA 314
- :LISTer:DISPlay 315
- :LISTer:REFerence 316
- :MARKer Commands 317
- :MARKer:MODE 319
- :MARKer:X1Position 320
- :MARKer:X1Y1source 321
- :MARKer:X2Position 322
- :MARKer:X2Y2source 323
- :MARKer:XDELta 324
- :MARKer:XUNits 325
- :MARKer:XUNits:USE 326
- :MARKer:Y1Position 327
- :MARKer:Y2Position 328
- :MARKer:YDELta 329
- :MARKer:YUNits 330
- :MARKer:YUNits:USE 331
- :MEASure Commands 333
- :MEASure Commands 20 341
- :MEASure:ALL 342
- :MEASure:CLEar 343
- :MEASure:DEFine 344
- :MEASure:DELay 347
- :MEASure:DUTYcycle 349
- :MEASure:FALLtime 350
- :MEASure:FREQuency 351
- :MEASure:NWIDth 352
- :MEASure:OVERshoot 353
- :MEASure:PERiod 355
- :MEASure:PHASe 356
- :MEASure:PREShoot 357
- :MEASure:PWIDth 358
- :MEASure:RISetime 359
- :MEASure:SHOW 360
- :MEASure:SOURce 361
- :MEASure:TEDGe 363
- :MEASure:TVALue 365
- :MEASure:VAMPlitude 367
- :MEASure:VAVerage 368
- :MEASure:VBASe 369
- :MEASure:VMAX 370
- :MEASure:VMIN 371
- :MEASure:VPP 372
- :MEASure:VRMS 373
- :MEASure:VTIMe 374
- :MEASure:VTOP 375
- :MEASure:WINDow 376
- :MTESt Commands 377
- :MTESt Commands 21 381
- :MTESt:ALL 382
- :MTESt:AMASk:CREate 383
- :MTESt:AMASk:SOURce 384
- :MTESt:AMASk:UNITs 385
- :MTESt:AMASk:XDELta 386
- :MTESt:AMASk:YDELta 387
- :MTESt:COUNt:FWAVeforms 388
- :MTESt:COUNt:RESet 389
- :MTESt:COUNt:TIME 390
- :MTESt:COUNt:WAVeforms 391
- :MTESt:DATA 392
- :MTESt:DELete 393
- :MTESt:ENABle 394
- :MTESt:LOCK 395
- :MTESt:RMODe 396
- :MTESt:RMODe:FACTion:MEASure 397
- :MTESt:RMODe:FACTion:PRINt 398
- :MTESt:RMODe:FACTion:SAVE 399
- :MTESt:RMODe:FACTion:STOP 400
- :MTESt:RMODe:SIGMa 401
- :MTESt:RMODe:TIME 402
- :MTESt:RMODe:WAVeforms 403
- :MTESt:SCALe:BIND 404
- :MTESt:SCALe:X1 405
- :MTESt:SCALe:XDELta 406
- :MTESt:SCALe:Y1 407
- :MTESt:SCALe:Y2 408
- :MTESt:SOURce 409
- :MTESt:TITLe 410
- :POD Commands 411
- :POD<n>:DISPlay 412
- :POD<n>:SIZE 413
- :POD<n>:THReshold 414
- :POD Commands 22 415
- :RECall Commands 417
- :RECall:FILename 419
- :RECall:MASK[:STARt] 420
- :RECall:PWD 421
- :RECall:SETup[:STARt] 422
- :RECall Commands 23 423
- :SAVE Commands 425
- Reporting the Setup 427
- :SAVE:FILename 428
- :SAVE:IMAGe[:STARt] 429
- :SAVE:IMAGe:FACTors 430
- :SAVE:IMAGe:FORMat 431
- :SAVE:IMAGe:INKSaver 432
- :SAVE:IMAGe:PALette 433
- :SAVE:LISTer[:STARt] 434
- :SAVE:MASK[:STARt] 435
- :SAVE:MULTi[:STARt] 436
- :SAVE:PWD 437
- :SAVE:SETup[:STARt] 438
- :SAVE:WAVeform[:STARt] 439
- :SAVE:WAVeform:FORMat 440
- :SAVE:WAVeform:LENGth 441
- :SAVE:WAVeform:LENGth:MAX 442
- :SAVE:WAVeform:SEGMented 443
- :SAVE:WMEMory:SOURce 444
- :SAVE:WMEMory[:STARt] 445
- :SBUS<n> Commands 447
- :SBUS<n>:DISPlay 450
- :SBUS<n>:MODE 451
- :SBUS<n>:CAN Commands 452
- :SBUS<n> Commands 25 455
- :SBUS<n>:CAN:SOURce 462
- :SBUS<n>:CAN:TRIGger 463
- :SBUS<n>:IIC Commands 469
- :SBUS<n>:IIC:ASIZe 470
- :SBUS<n>:LIN Commands 479
- :SBUS<n>:LIN:PARity 481
- :SBUS<n>:LIN:SOURce 484
- :SBUS<n>:LIN:STANdard 485
- :SBUS<n>:LIN:SYNCbreak 486
- :SBUS<n>:LIN:TRIGger 487
- :SBUS<n>:LIN:TRIGger:ID 488
- :SBUS<n>:SPI Commands 493
- :SBUS<n>:SPI:BITorder 495
- :SBUS<n>:SPI:FRAMing 498
- :SBUS<n>:SPI:WIDTh 508
- :SBUS<n>:UART Commands 509
- :SBUS<n>:UART:BASE 512
- :SBUS<n>:UART:BAUDrate 513
- :SBUS<n>:UART:BITorder 514
- :SBUS<n>:UART:FRAMing 519
- :SBUS<n>:UART:PARity 520
- :SBUS<n>:UART:POLarity 521
- :SBUS<n>:UART:SOURce:RX 522
- :SBUS<n>:UART:SOURce:TX 523
- :SBUS<n>:UART:WIDTh 530
- :SEARch Commands 531
- General :SEARch Commands 532
- :SEARch:COUNt 533
- :SEARch:MODE 534
- :SEARch:STATe 535
- :SEARch:SERial:CAN Commands 536
- :SEARch:SERial:CAN:MODE 537
- :SEARch Commands 26 539
- :SEARch:SERial:CAN:PATTern:ID 540
- :SEARch:SERial:IIC Commands 542
- :SEARch:SERial:IIC:MODE 543
- :SEARch:SERial:IIC:QUALifier 548
- :SEARch:SERial:LIN Commands 549
- :SEARch:SERial:LIN:ID 550
- :SEARch:SERial:LIN:MODE 551
- :SEARch:SERial:SPI Commands 555
- :SEARch:SERial:SPI:MODE 556
- :SEARch:SERial:UART Commands 559
- :SEARch:SERial:UART:DATA 560
- :SEARch:SERial:UART:MODE 561
- :SEARch:SERial:UART:QUALifier 562
- :SYSTem Commands 563
- :SYSTem:DATE 565
- :SYSTem:DSP 566
- :SYSTem:ERRor 567
- :SYSTem:LOCK 568
- :SYSTem:MENU 569
- :SYSTem:PRESet 570
- :SYSTem:PROTection:LOCK 573
- :SYSTem:SETup 574
- :SYSTem Commands 27 575
- :SYSTem:TIME 576
- :TIMebase Commands 577
- :TIMebase:MODE 579
- :TIMebase:POSition 580
- :TIMebase:RANGe 581
- :TIMebase:REFerence 582
- :TIMebase:SCALe 583
- :TIMebase:VERNier 584
- :TIMebase:WINDow:POSition 585
- :TIMebase:WINDow:RANGe 586
- :TIMebase:WINDow:SCALe 587
- :TRIGger Commands 589
- General :TRIGger Commands 591
- :TRIGger:FORCe 592
- :TRIGger:HFReject 593
- :TRIGger:HOLDoff 594
- :TRIGger:LEVel:ASETup 595
- :TRIGger:LEVel:HIGH 596
- :TRIGger:LEVel:LOW 597
- :TRIGger:MODE 598
- :TRIGger:NREJect 599
- :TRIGger:SWEep 600
- :TRIGger[:EDGE] Commands 601
- :TRIGger[:EDGE]:COUPling 602
- :TRIGger[:EDGE]:LEVel 603
- :TRIGger[:EDGE]:REJect 604
- :TRIGger[:EDGE]:SLOPe 605
- :TRIGger[:EDGE]:SOURce 606
- :TRIGger:GLITch Commands 607
- :TRIGger:GLITch:GREaterthan 609
- :TRIGger:GLITch:LESSthan 610
- :TRIGger:GLITch:LEVel 611
- :TRIGger:GLITch:POLarity 612
- :TRIGger:GLITch:QUALifier 613
- :TRIGger:GLITch:RANGe 614
- :TRIGger:GLITch:SOURce 615
- :TRIGger:PATTern Commands 616
- :TRIGger:PATTern 617
- :TRIGger:PATTern:FORMat 619
- :TRIGger:PATTern:QUALifier 620
- :TRIGger:TV Commands 621
- :TRIGger:TV:LINE 622
- :TRIGger:TV:MODE 623
- :TRIGger:TV:POLarity 624
- :TRIGger:TV:SOURce 625
- :TRIGger:TV:STANdard 626
- :WAVeform Commands 627
- :WAVeform Commands 30 631
- :WAVeform:BYTeorder 635
- :WAVeform:COUNt 636
- :WAVeform:DATA 637
- :WAVeform:FORMat 639
- :WAVeform:POINts 640
- :WAVeform:POINts:MODE 642
- :WAVeform:PREamble 644
- :WAVeform:SEGMented:COUNt 647
- :WAVeform:SEGMented:TTAG 648
- :WAVeform:SOURce 649
- :WAVeform:SOURce:SUBSource 653
- :WAVeform:TYPE 654
- :WAVeform:UNSigned 655
- :WAVeform:VIEW 656
- :WAVeform:XINCrement 657
- :WAVeform:XORigin 658
- :WAVeform:XREFerence 659
- :WAVeform:YINCrement 660
- :WAVeform:YORigin 661
- :WAVeform:YREFerence 662
- :WGEN Commands 663
- :WGEN:FREQuency 666
- :WGEN:FUNCtion 667
- :WGEN:FUNCtion:PULSe:WIDTh 669
- :WGEN:FUNCtion:RAMP:SYMMetry 670
- :WGEN:FUNCtion:SQUare:DCYCle 671
- :WGEN:MODulation:AM:DEPTh 672
- :WGEN:MODulation:AM:FREQuency 673
- :WGEN:MODulation:FM:DEViation 674
- :WGEN:MODulation:FM:FREQuency 675
- :WGEN:MODulation:FSKey:RATE 677
- :WGEN:MODulation:FUNCtion 678
- :WGEN Commands 31 679
- :WGEN:MODulation:NOISe 680
- :WGEN:MODulation:STATe 681
- :WGEN:MODulation:TYPE 682
- :WGEN:OUTPut 684
- :WGEN:OUTPut:LOAD 685
- :WGEN:PERiod 686
- :WGEN:RST 687
- the same as a high- level 688
- :WGEN:VOLTage:HIGH 689
- :WGEN:VOLTage:LOW 690
- :WGEN:VOLTage:OFFSet 691
- :WMEMory<r> Commands 693
- :WMEMory<r>:CLEar 695
- :WMEMory<r>:DISPlay 696
- :WMEMory<r>:LABel 697
- :WMEMory<r>:SAVE 698
- :WMEMory<r>:SKEW 699
- :WMEMory<r>:YOFFset 700
- :WMEMory<r>:YRANge 701
- :WMEMory<r>:YSCale 702
- Commands" on page 790) 703
- Parameters 707
- :CHANnel:ACTivity 708
- :CHANnel:LABel 709
- :CHANnel:THReshold 710
- :CHANnel2:SKEW 711
- :CHANnel<n>:INPut 712
- :CHANnel<n>:PMODe 713
- :DISPlay:CONNect 714
- :DISPlay:ORDer 715
- Command Syntax 716
- :EXTernal:PMODe 717
- :FUNCtion:SOURce 718
- :FUNCtion:VIEW 719
- :HARDcopy:DESTination 720
- :HARDcopy:FILename 721
- :HARDcopy:GRAYscale 722
- :HARDcopy:IGColors 723
- :HARDcopy:PDRiver 724
- :MEASure:LOWer 725
- :MEASure:SCRatch 726
- :MEASure:TDELta 727
- :MEASure:THResholds 728
- :MEASure:TSTArt 729
- :MEASure:TSTOp 730
- :MEASure:TVOLt 731
- :MEASure:UPPer 733
- :MEASure:VDELta 734
- :MEASure:VSTArt 735
- :MEASure:VSTOp 736
- :MTESt:AMASk:{SAVE 737
- :MTESt:AVERage 738
- :MTESt:AVERage:COUNt 739
- :MTESt:LOAD 740
- :MTESt:RUMode 741
- :MTESt:RUMode:SOFailure 742
- :MTESt:{STARt 743
- :MTESt:TRIGger:SOURce 744
- DISK invalid 746
- PCL invalid 746
- Old Print Option: Is Now: 746
- :SAVE:IMAGe:AREA 747
- :TIMebase:DELay 748
- :TRIGger:THReshold 749
- :TRIGger:TV:TVMode 750
- Error Messages 751
- Error Messages 34 753
- Status Reporting 759
- Status Reporting 35 761
- Status Byte Register (STB) 763
- Trigger Event Register (TER) 766
- Output Queue 767
- Message Queue 768
- Error Queue 771
- Status Condition Register 773
- Arm Event Register (AER) 774
- Clearing Registers and Queues 777
- Synchronizing Acquisitions 779
- Set Up the Oscilloscope 780
- Acquire a Waveform 780
- Retrieve Results 780
- Blocking Synchronization 781
- Synchronizing Acquisitions 36 783
- Command Classifications 790 789
- Query Return Values 797 789
- Command Classifications 790
- ":DISPLAY:LABEL ON" 791
- 3URJUDP0HVVDJH 791
- ,QVWUXFWLRQ+HDGHU 791
- 6HSDUDWRU 791
- 3URJUDP'DWD 791
- Simple Command Headers 793
- Compound Command Headers 793
- Common Command Headers 793
- Program Data Syntax Rules 794
- Duplicate Mnemonics 795
- Query Return Values 797
- Programming Examples 799
- VISA COM Examples 800
- Programming Examples 38 801
- VISA COM Example in C# 809
- VISA COM Example in Python 826
- VISA Examples 833
- VISA Example in Visual Basic 842
- VISA Example in C# 852
- VISA Example in Python 873
- SICL Examples 880
- SICL Example in Visual Basic 889
- SCPI.NET Examples 900
- 7 Build and run the program 901
- Numerics 919
- , 288, 291 923
- function, 288, 291 925
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