Chison i8 Color Doppler Ultrasound quality trolley based ultrasound system

Instructional video how to use Chison Q9 color doppler ultrasound. To use color doppler 4D, choose 4D probe, scan, press 4D key, position box, change box size, live key, with more specifics. For more infer visit: http://www.keebomed.com/collections/color-doppler-ultrasounds/products/chison-q9