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Start Trigger Type

Last Modified: May 22, 2018

Specifies the type of Start Trigger, which controls how the device generates or acquires signals.

Use this property to choose whether to generate or acquire data immediately or to synchronize generations and acquisitions to the timestamp specified by the Start Trigger Time properties.

Data type: datatype_icon

Name Value Description
None 0

For Rx, acquires data immediately (as soon as the acquisition starts). For Tx, generates data as soon as it writes to the device.

Time 1

Acquires or generates data synchronous to a timestamp. The Start Trigger occurs when the onboard device timer reaches the timestamp specified by the Start Trigger Time properties.

Default: None

Long Name: Clocking and Synchronization:Start Trigger Type

Class: NI-USRP

Permissions: Read/Write

Channel-based No
Resettable Yes

Where This Property Is Available:

Desktop OS: Windows

FPGA: Not supported

Web Server: Not supported in VIs that run in a web application

Hardware Support:

This property supports the following hardware:

  • USRP-2900/2901
  • USRP-2920/2921/2922
  • USRP-2930/2932
  • USRP-2940/2942/2943/2944/2945
  • USRP-2950/2952/2953/2954/2955


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