Chison 8300 User Manual, Chapter 3 Part 1: System Introduction. This video will go over the overall design of the Chison 8300 Ultrasound. The dimensions, the monitor, features of design, and keyboard. The Chison 8300 scanner offers high quality digital diagnostic imaging at an affordable price. Order and Info: http://www.keebomed.com/collections/portable-ultrasounds/products/chison-8300-portable-digital-ultrasound