... the gynecology and obstetrics diagnosis Functional characteristics:The KJ-4002 B ultrasonic diagnostic instrument (hereinafter refers to as instrument) adopts 3.5MHz ... instrument has such five display modes as B, B/B, 4B,B+M, and M. Under the B mode there are six magnifications: ×0. ... 4001, 4002, 4003 and 4003(workstation)Display mode: Convex array: B, B/B,4B, B+M, and MMagnification: ×0.8, ×1.0, ×1.2 ...