Counter Input >> Position >> Z Index Enable

NI-DAQmx C Properties

Counter Input >> Position >> Z Index Enable

Data Type: bool32
Description: Specifies whether to use Z indexing for the channel.

You can get/set/reset this property using:
  DAQmxGetCIEncoderZIndexEnable
  DAQmxSetCIEncoderZIndexEnable
  DAQmxResetCIEncoderZIndexEnable