Specifies how often to measure ground. NI-DAQmx subtracts the measured ground voltage from every sample.

Remarks

The following table lists the characteristics of this property.

Short Name AI.AutoZeroMode
Data type ci32.png
Permissions Read/Write
Resettable True
Settable While Task Is Running device-specific
Available in Run-Time Engine True
None 10230
Do not perform an autozero.
Once 10244
Perform an auto zero at the beginning of the acquisition. This auto zero task might not run if you have used DAQmx Control Task previously in your task.
Every Sample 10164
Perform an auto zero at every sample of the acquisition.