Analog Input >> General Properties >> Advanced >> Data Transfer and Memory >> Compression >> Lossy LSB Removal >> Compressed Sample Size

Data Type:	uInt32
Description:	Specifies the number of bits to return in a raw sample when Raw Data Compression Type is set to DAQmx_Val_LossyLSBRemoval. Refer to the DAQmx Professional Tools Web site for more information and examples of raw data compression and streaming to disk.