... 3. Channel: >=32 digital beam former 4. Resolution: horizontal<=2mm, Vertical<=1mm Dead Zone: <=5mm5. Maxim scanning depth: >=190cm( ... according to the probe) 6. Geometric position accuracy: horizontal<=5%,Vertical<=5% 7. Scanning mode: B, 2B, 4B, B/ ... frame correlation (4 levels), Left/right, positive/negative, vertical, horizontal flip and B/W conversion, edge enhancement (4 levels), etc.17. ...