Command Descriptions
TDS200/1000/2000 Series Oscilloscope Programmer Manual
2−65
HERtz specifies units of frequency (reciprocal of time).
CURSor:VBArs:UNIts SECONDS
sets the units for the vertical bar cursors to seconds.
CURSor:VBArs:UNIts?
returns HERTZ when the vertical bar cursor units are Hertz.
CURVe
Transfers oscilloscope waveform data to and from the oscilloscope in
binary or ASCII format. Each waveform that is transferred has an
associated waveform preamble that contains information such as
data format and scale. For information about the waveform
preamble, refer to WFMPre? (Query Only) on page 2-158. The data
format is specified by the DATa:ENCdg and DATa:WIDth com-
mands.
The CURVe? query sends data from the oscilloscope to an external
device. The data source is specified by the DATa:SOUrce command.
The first and last data points that are transferred are specified by the
DATa:STARt and DATa:STOP commands.
NOTE . If the waveform specified by the DATa:SOUrce command is
not displayed, the CURVe? query returns nothing, and generates
events 2244 (Waveform requested is not activated) and 420 (Query
UNTERMINATED).
In Scan Mode (Sec/div .100 ms and AUTO Mode), approximately
one division’s worth of data points will be invalid due to the blanked
moving cursor.
The CURVe set command sends waveform data from an external
device to the oscilloscope. The data is stored in the stored waveform
location specified by DATa:DESTination, starting with the data point
specified by DATa:STARt. Only one waveform can be transferred at
a time. The waveform will only be displayed if the reference
waveform is displayed.
Examples
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