1578 Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide
Index
UART serial search, data qualifier, 1084
UART serial search, mode, 1083
UART trigger burst, 962
UART trigger commands, 946
UART trigger data, 963
UART trigger idle, 964
UART trigger qualifier, 965
UART trigger type, 966
UART Tx data, 1259
UART Tx source, 960
UART width, 967
UART/RS232 demo signal, 345
UART/RS-232 triggering, 756
units (vertical) for FFT, 408
units per division, 321, 322, 387, 1133
units per division (vertical) for
function, 321, 422
units, automask, 587
units, X cursor, 463, 464
units, Y cursor, 470, 471
unsigned data, 1238
unsigned mode, 1261
upper threshold, 518
upper threshold voltage for
measurement, 1363
uppercase characters in commands, 1429
URQ (User Request) status bit, 203, 205
USB (Device) interface, 63
USB 2.0 signal quality test results,
save, 728
USB 2.0 triggering, 756
USB demo signal, 346
USB SEARch commands, 1085
USB trigger commands, 968
USB triggering, 1140
user defined channel labels, 309
user defined threshold, 1336
user event conditions occurred, 219
User Files directory, 720, 739
user name, network domain, 442
User's Guide, 6
user-defined Real Power in Class D
harmonics analysis, 649
user-defined threshold voltage for digital
channels, 357
user-defined trigger threshold, 1382
USR (User Event bit), 217, 219
utilization, CAN bus, 785
V
valid command strings, 1429
valid pattern time, 1195, 1196
value, 539
value measured at base of waveform, 505,
543
value measured at specified time, 549
value measured at top of waveform, 550
value ranges, 194
values required to fill time buckets, 266
VBA, 72, 1438
Vce(sat) power measurement, 577
Vce(sat) value for conduction
calculation, 706
vectors turned on or off, 1340
vectors, display, 376
vectors, turning on or off, 360
vernier, channel, 323
vernier, horizontal, 1134
vertical adjustment, fine (vernier), 323
vertical amplitude measurement, 503, 541
vertical axis defined by RANGe, 420
vertical axis range for channels, 320
vertical offset for channels, 310
vertical peak-to-peak measured on
waveform, 506, 546
vertical scale, 321, 422
vertical scaling, 1250
vertical threshold, 1336
vertical units for FFT, 408
vertical value at center screen, 415, 421
vertical value maximum measured on
waveform, 544
vertical value measurements to calculate
overshoot, 515
vertical value minimum measured on
waveform, 545
video line to trigger on, 1216
video standard selection, 1220
view, 262, 1262, 1341
view turns function on or off, 1348
VISA COM example in C#, 1447
VISA COM example in Python, 1464
VISA COM example in Visual Basic, 1438
VISA COM example in Visual Basic
.NET, 1456
VISA example in C, 1471
VISA example in C#, 1490
VISA example in Python, 1511, 1517
VISA example in Visual Basic, 1480
VISA example in Visual Basic .NET, 1501
VISA examples, 1438, 1471
Visual Basic .NET, SCPI.NET example, 1550
Visual Basic .NET, VISA COM
example, 1456
Visual Basic .NET, VISA example, 1501
Visual Basic 6.0, 73
Visual Basic for Applications, 72, 1438
Visual Basic, SICL library example, 1533
Visual Basic, VISA COM example, 1438
Visual Basic, VISA example, 1480
visualizations, math, 418
voltage crossing reported or not
found, 1362
voltage difference between data
points, 1266
voltage difference measured, 1364
voltage level for active trigger, 1166
voltage marker used to measure
waveform, 1365, 1366
voltage offset value for channels, 310
voltage probe, 322, 387
voltage ranges for channels, 320
voltage ranges for external trigger, 386
voltage source, 699
voltage threshold, 498
voltage, maximum expected input, 692,
693, 694
W
WAI (Wait To Continue), 222
wait, 222
wait for operation complete, 208
Wait Trig bit, 247, 249
warranty, 2
waveform base value measured, 505, 543
WAVeform command, 71
WAVeform commands, 1233
waveform data, 1235
waveform data format, 748
waveform data length, 749
waveform data length, maximum, 750
waveform data, save, 747
waveform generator, 1272
waveform generator amplitude, 1313
waveform generator function, 1282
waveform generator high-level
voltage, 1314
waveform generator load impedance,
Control Loop Response (Bode) power
analysis, 635
waveform generator load impedance, Power
Supply Rejection Ratio (PSRR) power
analysis, 676
waveform generator low-level
voltage, 1315
waveform generator offset, 1316
waveform generator output control, 1301
waveform generator output load
impedance, 1302
waveform generator output mode, 1303
waveform generator output polarity, 1304
waveform generator period, 1306
waveform generator pulse width, 1286
waveform generator ramp symmetry, 1287
waveform generator reset defaults, 1307
waveform generator square wave duty
cycle, 1288
waveform introduction, 1235
waveform maximum vertical value
measured, 544
waveform minimum vertical value
measured, 545
waveform must cross voltage level to be an
occurrence, 1362
WAVeform parameters, 76
waveform peak-to-peak vertical value
measured, 506, 546
waveform period, 518
waveform persistence, 360
waveform RMS value measured, 507, 548
waveform save option for segments, 751
waveform source, 1255
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