Commands Listed in Alphabetical Order
WFMInpre:XZEro
Sets or returns the position value, in XUNits, of the first sample of the incoming
waveform.
Group
Waveform Transfer
Syntax
WFMInpre:XZEro <NR3>
WFMInpre:XZEro?
Related Commands
WFMInpre:XINcr, WFMInpre:XUNit, W
FMOutpre:XZEro?
Arguments
<NR3> argument is the floating point value of the position, in XUNits, of the first
sample in the incoming waveform. If XUNits is “s”, <
NR3> is the time of the
first sample in the incoming waveform.
Examples
WFMINPRE:XZERO 5.7E-6, which indicates the trigger occurred 5.7 µs before the
first sample in the waveform.
WFMINPRE:XZERO? might return :WFMIN PRE:XZEro –7.5000E-6 indicating
that the trigger occurs 7.5 µs after the first sample in the waveform.
WFMInpre:YMUlt
Sets or returns the vertical scale factor of the incoming waveform, expressed in
YUNits per waveform data point level. For one byte waveform data, there are 256
data point levels. For two byte waveform data there are 65,536 data point levels.
YMUlt, YOFf, and YZEro ar e used to conve rt waveform record values to YUNit
values using the following formula (where dl is the data level; curve_in_dl is a
data point in CURVe):
value_in_units = ((curve_in_dl – YOFf_in_dl) * YMUlt) + YZEro_in_units
NOTE. For a given waveform record, YMUlt, YOFf, and YZEro have to be a
consistent set, otherwise vertical cursor readouts and vertical measurements may
give incorrect results.
Group
Waveform Transfer
Syntax
WFMInpre:YMUlt <NR3>
WFMInpre:YMUlt?
2-360 MSO2000B, DPO2000B, M SO2000 and DPO2000 Series Oscilloscopes Programmer Manual
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