An apparatus includes an analog front end to receive an analog input including user data, and an analog-to-digital converter to convert the analog input to digital signals including the user data. The device has a body having a bore extending through the body. The probe member has an inner lumen which when subjected to a vacuum, secures tissue for the specimen to the surface of a distal tubular section of the probe which may be off-set from a central longitudinal axis. In other words, an inverse 2:3 pull-down process is controlled corresponding to the continuity of a pattern of a repeat field.