Tektronix DPO4000 Manual do Utilizador descarregar pdf (Página 496)

100

101

Commands Listed in Alphabetical Order

Arguments

<NR3> is the ver

tical offset in digitizing levels.

Examples

WFMINPRE:YOFF 50 speciﬁes that the zero reference point for the incoming

waveform is 50 digitizing levels (2 divisions, for 8-bit data) above the center

ofthedatarange.

WFMINPRE:YOFF? might return :WFMINPRE:YOFF 2 5 indicating 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, VW, VdB, Volts, Vs, 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, d ay, 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 :WFMI NPRE:YUNIT "V" indicating 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):

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