Specifies whether the start trigger is a digital edge or a software trigger.

You do not need to use a selector string if you want to configure this property for all signal instances. Specify the signal name in the selector string if you want to configure or read that signal instance. Refer to the Selector Strings topic for information about the string syntax.

The default value is None.

Supported devices: PXIe-5644/5645/5646, PXIe-5663/5663E/5665/5668, PXIe-5820/5830/5831/5832/5840/5841/5842/5860

Remarks

The following table lists the characteristics of this property.

Short Name Start Trigger Type
Data type ci32.png
Permissions Read/Write
High-level VIs N/A
Resettable Yes
None 0

No start trigger is configured.

Digital Edge 1

The start trigger is not asserted until a digital edge is detected. The source of the digital edge is specified by the Start Trigger Digital Edge Source property.

Software 3

The start trigger is not asserted until a software trigger occurs. You can assert the software trigger by calling the RFmxInstr Send Software Edge Trigger VI.