Commands Listed in Alphabetical Order
WFMINPRE:YOFF
?
might return :WFMINPRE: YOFF 25 indicating that the vertical
position of the incoming waveform in digitizing levels.
WFMInpre:YUNit
Sets or returns the vertical units of the incoming waveform.
Supported units are: %, /Hz, A, A/A, A/V, A/W, A/dB, A/s, AA, AW, AdB, As,
B, Hz, IRE, S/s, V, V/A, V/V, V/W, V /dB, V/s, VV, V W, VdB, Volts, V s, W,
W/A, W/V, W/W, W/dB, W/s, WA, WV, WW, WdB, Ws, dB, dB/A, dB/V, dB/W,
dB/dB, dBA, dBV, dBW, dBdB , day, degrees, div, hr, min, ohms, percent, s
Group
Waveform Transfer
Syntax
WFMInpre:YUNit <QString>
WFMInpre:YUNit?
Related Commands
WFMOutpre:YUNit?
Arguments
<QString> contains a maximum of three alpha characters that repre sent the
vertical unit of measure for the incoming waveform.
Examples
WFMINPRE:YUNIT? might return :WFMINPRE:YUNIT "V" indicating that the
vertical units for the incoming waveform are volts.
WFMINPRE:YUNIT "A" specifies that the vertical units for the incoming waveform
are Amperes.
WFMInpre:YZEro
Sets or returns the vertical offset of the incoming waveform in units specified
by WFMInpre:YUNit. Variations in this number are analogous to changing the
vertical offset of the waveform.
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.
2-362 MSO2000B, DPO2000B, M SO2000 and DPO2000 Series Oscilloscopes Programmer Manual
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