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Command Groups

Table 2-48: Wav

eform Transfer Commands

Command

Description

CURVe The CURVe command transfers the waveform data points TO the oscilloscope’s internal

reference memory location ( RE F1–4), which is speciﬁed by the

DATa:DESTination

command. The

CURVe? query transfers data FROM the oscilloscope; the source waveform

is speciﬁed by the

DATa:SOUrce command. The ﬁrst and last data points are speciﬁed by

the

DATa:STARt and DATa:STOP commands.

Associated

with each waveform transferred using the

CURVe command or query is a

waveform preamble that provides the data format, scale and associated information needed

to interpret the waveform data points. The preamble information for waveforms sent TO the

oscillosco

pe is speciﬁed using the

WFMInpre commands. The preamble information for

waveforms transferred FROM the oscilloscope is speciﬁed or queried using the

WFMOutpre

commands. If the waveform is not displayed, the query form generates an error.

The

CURVe c

ommand and

CURVe? query transfer waveform data in ASCII or binary

format. ASCII data is sent as a comma-separated list of decimal values. Binary data is sent

with the IEEE488.2 binary block header immediately followed by the binary data.

DATa

These commands specify the format and location of waveform data that is transferred

using the

CURVe command, or return the format and location of the w aveform data that

is transferred with the CURVe? query. You can use the

INIT argument to reset all of

the

DATa parameters to default values. (Note that the *RST and FACtory commands

do not re

set the

DATa parameters.) You can use the SNap argument to automatically

set the

DATa:STARt and DATa:STOP values to the s tarting and stopping point of the

waveform cursors (if on). Note that setting

DATa:STARt and DATa:STOP automatically

sets

WFM

Outpre:NR_Pt.

DATa:D

ESTination

This co

mmand speciﬁes the reference m emory location (REF1–4) for storing waveform data

transferred into the oscilloscope using the CURVe command.

DATa:ENCdg This command speciﬁes the encoding format for outgoing waveform data. This command is

equivalent to setting WFMOutpre:ENCdg, WFMOutpre:BN_Fmt, and WFMOutpre:BYT_Or.

Setti

ng the

DATa:ENGdg value causes the corresponding WFMOutpre values to be

updated.

DATa:SOUrce This command speciﬁes the s ource waveform to be transferred from the oscilloscope

using the

CURVe? query. The valid waveform sources are CH1-CH4, MATH,

REF1

-REF4, D0-D15, DIGi tal, RF_ AMPlitude, RF_FR EQuency,

RF_PHASe, RF_NORMal, RF_AVErage, RF_MAXHold, and RF_MI NHold.

Setting DATa:SOUrce automatically constrains the following to valid values for the

spe

ciﬁed source waveform:

WFMOutpre:BYT_Nr, WFMOut pre:BIT_Nr and

WFMOutpre:BN_Fmt.

NOTE. The RF time domain traces, RF_AMPlitude, RF_FREQuency and

RF_PHASe, are only available on the MDO4000/B/C series models.

DATa:STARt This command speciﬁes the starting data point for incoming or outgoing waveform transfer

ing the

CURVe command or query. (Use DATa:STOP to specify the ending data point.)

You can set the

DATa:STARt and DATa:STOP values automatically to the starting

and stopping points of the waveform cursors, if on, using

DATa SNap. Note that setting

ATa:STARt

and DATa:STOP automatically sets WFMOut pre:NR_Pt.

ATa:STOP

his command speciﬁes the ﬁnal data point that will be transferred when using the CURVe

command or query for incoming or outgoing waveform transfer. (Use

DATa:STARt to

specify the starting data point.)

MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-105

Brand	Tektronix
Model	MDO3000 Series
Category	Test Equipment
Language	English

Tektronix MDO3000 Series Program Manual

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