niScope Configure Horizontal Timing

NI High-Speed Digitizers Help (NI-SCOPE)

Edition Date: January 2017

Part Number: 370592AB-01

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Configures the common properties of the horizontal subsystem for a single record or multirecord acquisition, such as minimum sample rate and acquisition size.

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niScope Configure Horizontal Timing


instrument handle identifies a particular instrument session.


min sample rate specifies the sample rate for the acquisition.

Default Value: 20 MS/s


reference position specifies the position of the Reference Event in the waveform record as a percentage of the record.

Default Value: 50%


enforce realtime indicates whether the digitizer enforces real-time measurements or allows equivalent-time (RIS) measurements.

Default Value:TRUE

Defined Values

TRUE (Default)—Allow real-time acquisitions only

FALSE—Allow real-time and RIS acquisitions

Note   Not all digitizers support RIS—refer to Features Supported by Device for more information.

number of records specifies the number of records to acquire.

Default Value: 1


min record length passes the minimum number of points you need in the record for each channel.

Call niScope Actual Record Length to obtain the actual record length used. Refer to Coercions of Horizontal Parameters for more information about why the record length may be different than what was specified. The value must be greater than 1 and is limited by available memory.

Default Value: 1000


error in describes error conditions that occur before this node runs. This input provides standard error in functionality.


instrument handle out has the same value as the instrument handle.


error out contains error information. This output provides standard error out functionality.


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