... or B/M- mode, four kinds of sweep speed of image display, 2s 4s 6s and 8s ... logarithmic compression etc.4. It supports the measurements of distance, circumference, area, volume and fetal ... heart rate, heart velocity, fetal age, expected date of childbirth and fetal weight due to different formula selected ... area pseudo-color. PreSet: hospital name, date, time, image format etc. handheld ultrasound scanner ...