Counter Input >> Position >> Linear Encoder >> Initial Position

NI-DAQmx C Properties

Counter Input >> Position >> Linear Encoder >> Initial Position

Data Type: float64
Description: Specifies the position of the encoder when the measurement begins. This value is in the units you specify with Units.

You can get/set/reset this property using:
  DAQmxGetCILinEncoderInitialPos
  DAQmxSetCILinEncoderInitialPos
  DAQmxResetCILinEncoderInitialPos