... : 8-segment TGC Preset Gain (B&W, Color, Doppler) Audio PRF Dynamic Range Image enhancement Acoustic PowerPost-processing: ... Imaging Measurement & CalculationsB mode: distance, circumference, area, volume, angle, fetal growth, cruveM mode: distance, time, velocity, heart rateSoftware package: ... micro-convex transducer6.0Mhz Electronic transvaginal array transducer portable color doppler ultrasound