* This protable ultrasound scanner, controlled by computer and equipped with
   digital scanning converter(DSC),is characterized by its clear image,stable
   performance and high resolution with adopting variable aperture,multi-
   segment dynamic focus,large dynamic band low-noise pre-amplifier,
   logarrthmic compression, TGC control, dynamic filter, edge enhancement
   and frame-related technologies etc.
* Built-in DSTN Processor, PAL-D and VGA video transmission, can connect
   external monitor, colorful monitor, video tape recorder, video printer，laser
   printer etc.
* Adopt silicone keyboard and trackball, fast, convenient and flexible.
* Full-screen character annotation; fixed character, real time clock and
   calendar;
* Permanent function of image store: 32 images;
* USB port of image store;
* Parts enlargement function: under the mode of real time and freeze can
   realize the parts enlargement;
* This device is targeting to diagnose human liver, gallbladder, spleen, kidney,
   pancreas, heart, bladder, womb, adnexa, urinary system and Gynaecology,
   Obstetrics etc.
* Technical specification:
   main probe:  3.5MHZ(R=80) electronic multi-frequency convex array
   (2.5MHZ~5.0MHZ)
   Max Display Depth:  240mm
   Display format: B,B+B,4B,B+M,M+M
   Grey scale: 256 levels
   Image Magnification: ×0.8 ×1.0,×1.2,×1.5,×2.0
* Measuring:  distance, perimeter, area, volume, pregnant weeks   
   (BPD,GS,CRL,FL,AC,HC)etc. heart rate and slope can be measured under M
   mode
* Character Annotation: date, series No. of patient history, age, sex, focus 
   combination, frame coefficient, full screen character editing
* Movie replay: 256 frames
* Body Position Annotation: ≥33 Types
* 8 stage TGC adjustment
* Power supply: 110V or 220V
* Weight: 13.5KGS