... scale: 256 levels;-Cine Loop: 64 frames;-Imaging mode: B, B/B, B/M; -Image invert: horizontally invertible;-Time Gain Compensation ... age, image, cine;-Measurement and calculation: B mode: distance, circumstance, area; M mode: heart rate, time, distance, velocity; ... Obstetrics: BPD, FL, CRL, HC, AC, gestation age, fetal weight; USB B-type ultrasonic ...