Connect-Tek USB-2 Spécifications télécharger pdf (Page 141)

Commands Listed in Alphabetical Order

<data> is the cu

rve data.

<newline> is a single byte new line character at the end of the data.

<asc cu rve> is the waveform data in ASCII format. The format for ASCII data

<NR1> [,<NR1>...], where each < NR1> represents a data point.

Examples

CURVE? with ASCII enco

ding, start and stop of 1 and 10 respectively, and a width

set to 1 might return

:CURVE 61 ,62,61,60,60,-59 ,-59,-58,-58,-59

NOTE. Curve data is transferred from the oscilloscope asynchronously, depending

on the length of the curve record. Such transfers may require several seconds

to complete. During this period, the oscilloscope will not respond to the user

controls. You can interrupt these asynchronous data transfers by sending a device

clear message to th

e oscilloscope or by interrupting the query with another

command or query. In order to verify that curve data has been completely

transferred, it is recommended that you follow such queries with an *ESR?

query to verify there are no error bits set. You can also check the event que ue to

determine the cause of the error. If the error was caused by an interrupted query,

then the asynchronous data transfer was not complete when the *ESR? query was

sent. In such cas

es, it may be necessary to increase the program's time-out value

to ensure that all data is transferred and read.

DATa

Sets or returns the format and location of waveform data transferred with the

CURVe? query o

r CURVe command.

Group

Waveform Transfer

Syntax

DATa {I NIT|SNAp}

DATa?

Related Commands

CURVe, DATa:STARt, DATa:STOP, DATa:ENCdg, WFMInpre:NR_Pt,

WFMOutpre:NR_Pt?

Arguments

INIT initializes the waveform data parameters to their factory defaults except for

DATa:STOP, which is set to the current acquisition record length.

SNAp sets DATa:STARt and DATa:STOP to match the current waveform cursor

positions.

MSO2000B, DPO2000B, MSO2000 and DPO2000 Series Oscilloscopes Programmer Manual 2-125

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