... +M, and MMagnification: ×0.8, ×1.0, ×1.2, × 1.5, ×1.8(Depth hoist display), ×2.0 (Depth hoist display ... , dot correlation and linear interpolation, etc.Frequency conversion: 2.5MHz/3.0MHz/3.5MHz/4.0MHzCalculation: distance, perimeter, area, heart rate, pregnancy ... applied to check intrauterine equipment, pregnancy and so on. B Ultrasound Scanner (Workstation)