... /OB) Scanning angle adjustment 16 Level scanning depth adjustment USB 2.0 For real-time picture uploading to PC Biopsy guide ... Image conversion: Up/down, left/right, black/white Local zoom: 2 times both in real-time and frozen Measurement: Distance, circumference ... , GS, CRL, FL, AD, HC, AC, EDD, GA, FW Probe connector: 2 Probes selectable: Convex, linear, micro-convex, transvaginal and endorectal Port ...