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200 Index
A (continued)
Autorange (continued)
querying
4-wire resistance
, 134
4-wire resistance measurements, 134
ac current measurements, 120
ac voltage measurements, 145
dc current measurements, 125
dc voltage measurements, 150
frequency measurements, 130
period measurements, 138
resistance measurements, 142
setting, 197
Autozero, 31, 40, 83, 152
disabling, 197
enabling, 197
increasing measurement speed, 197
querying, 83, 152
B
Backplane Trigger Lines, 46
Bandwidth
ac signal filters
, 37, 127–128
setting, 127–128
Bits
message available bit (MAV)
, 60, 62
operation status bit (OPR), 58
questionable data register bit (QUE), 63
service request bit (SRQ), 60
standard event bit (ESB), 61
summary bit, 60
Boolean Parameters, 69
Burden Voltage, 32
errors, 36
BUS Trigger Source, 46, 48, 160
C
C Programming Language, 52
CALCulate Subsystem, 73–78
AVERage function, 41, 74, 76
CALC:AVERage:AVERage?, 74
CALC:AVERage:COUNt?, 74
CALC:AVERage:MAXimum?, 74
CALC:AVERage:MINimum?, 74
CALC:DB:REFerence, 75
CALC:DB:REFerence?, 75
CALC:DBM:REFerence, 75
CALC:DBM:REFerence?, 75
CALC:FUNCtion, 76
CALC:FUNCtion?, 76
CALCulate Subsystem (continued)
CALC:LIMit:LOWer, 77
CALC:LIMit:LOWer?, 77
CALC:LIMit:UPPer, 77
CALC:LIMit:UPPer?, 77
CALC:NULL:OFFSet, 78
CALC:NULL:OFFSet?, 78
CALC:STATe, 78
CALC:STATe?, 78
dB measurements, 42–43, 75–76
dBm measurements, 43, 75–76
LIMit function, 44, 76–77
math operations, 41–44
NULL (relative) function, 41–42, 76, 78
Calculate Total Measurement Error, 180–181
Calibration
errors
, 190–191
security code, 81
changing, 80
enabling/disabling, 81
querying, 81
setting, 80
value of signal, 82
CALibration Subsystem, 79–83
CAL:COUNt?, 79
CAL:LFRequency, 79
CAL:LFRequency?, 80
CAL:SECure:CODE, 80
CAL:SECure:STATe, 81
CAL:SECure:STATe?, 81
CAL:STRing, 81
CAL:STRing?, 82
CAL:VALue, 82
CAL:VALue?, 82
CAL:ZERO:AUTO, 83
CAL:ZERO:AUTO?, 83
CALibration? command, 84
Checking
error queue
, 155
line frequency reference, 17
sample count, 115
trigger count, 49, 157
*CLS, 155, 163
Command Reference
ABORt subsystem
, 72
CALCulate subsystem, 73–78
CALibration subsystem, 79–83
CALibration? command, 84
common (*) commands, 162–167
CONFigure subsystem, 85–95
CONFigure? command, 96