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Commands Listed in Alphabetical Order

DATa,

DATa:STOP,

WFMInpre:NR_Pt,

WFMOutpre:NR_Pt?

Arguments

<NR1> is the ﬁrst data point that will be transferred, which ranges from 1 to the

record length. Data will be transferred from

<NR1> to DATa:STOP or the record

length, whichever is less. If

<NR1> is greater than the record length, the last

data point in the record is transferred.

DATa:STARt and DATa:STOP are order independent. When DATa:STO P is

greater than

DATa:STARt, the values will be swapped internally for the CURVe?

query.

Examples

DATA:START? might return :DATA:START 214 indicating that data point 214 is

the ﬁrst waveform data point that will be transferred.

DATA:START 10 speciﬁes that the waveform transfer will begin with data point 10.

DATa:STOP

This 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.)

NOTE. The oscilloscope automatically adjusts the

DATa:START

and

DATa:STOP

values for

CURVe

queries when the

DATa:STOP

value is less than the

DATa:START

value, and also when the

DATa:START

and/or

DATa:STOP

values are greater

than the record length of the source waveform. The adjusted

DATa:START

and

DATa:STOP

values determine

WFMOutpre:N R_Pt.

You can set the DATa:STARt and DATa:STOP values to automatically to the

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

DATa

command with the SNap argument. Note that setting DATa:STARt and

DATa:STOP automatically sets WFMOutpre:NR_Pt.

Changes to the record length value are not automatically reﬂected in the

DATa:STOP

value. As record length is varied, the DATa:STOP value must be

explicitly changed to ensure the entire record is transmitted. In other words, curve

results will not automatically and correctly reﬂect increases in record length if the

difference of DATa:STARt and

DATa:STOP remains smaller than the increased

record length. Note that

DATa:STOP can be larger than the record length. (Use

WFMOutpre:NR_Pt? to ﬁnd how many samples are available.)

MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-279

Brand	Tektronix
Model	MDO3000 Series
Category	Test Equipment
Language	English

Tektronix MDO3000 Series Program Manual

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