B, B/B, B/M-, M- mode image displays. In the M- or B/M- mode image display four kinds of sweep speeds -- 2s, 4s, 6s, 8s-- are provided;
Multi-step display magnification, depth change add scroll function for partial magnification.

The images displayed by the system are crystal clear, stable and with high resolution due to adopting the latest techniques, such as continuously variable aperture, automatic multi-stage focusing, TGC, dynamic filtering, image edge enhancement, frame correlation, linear

interpolation, 256 gray scales image display, wide dynamic range and wide-band low noise preamplifiers, logarithmic compression etc.

It supports the measurements of distance, circumference, area, volume and fetal weight, as well as the automatic calculation and direct presentation function, including the fetal age and expected delivery date, heart rate etc.

This system can provide 192 frames cine-memory and 8frames FLASH permanent memory.

It supports up/down, left/right and black/white image reversing functions.

Adjustment of total gain, brightness and contrast; wide range multi-frequency.

Supporting the variety's probe and foure kinds of scan center frequency also.

These is wearing to stab leading function.

Annotation in image area of the screen, special annotation terms for different exam-mode can be added according to user’s need.

There are several kinds of parameters to be set: Hospital, Date, F.W. Formula