... possibility, ensure high-quality two-dimensional image.4.dynamic focus system, dynamic frequency scanning, multi-layer frequency conversion probes with high ... and-white SVGA progressive scanning display.Gray scale: 256Display mode: B, B / B, 4B, B / M, MMain probe: 3.5 MHz electronic convex ... : × 1.0, × 1.2, × 1.5, × 2.0Depth upgrade: B, B+B mode of upgradingBody markers: a variety of body markers (30 ...