... : adjustable between 0~100dB; Time gain control(TGC): 8 segment adjustment, B, M adjustment separately.*Cine loop: 64, 128, 256, 512frame ... , Auto/manual cine loop*Measurement and calculation: B mode: distance, circumstance, area, volume, angle, ratio, stenosis, profile ... 5.0, 5.5, 6.0*Multi-frequency: 5 segment frequencies*Scanning by angle: 12 angle scanning*Image direction: Up ...