... receiving focusing5.High –precision digital scan conversion DSC6.Backlit silica gel keyboard, photoelectricity track control7.Intelligentized TGC gain control of ... puncture guide line can be displayed under B mode.Gain control:The total gain, 8-segment TGCImage conversion: up/ down, left ... menu: Distance, Time, Slope, RhythmUrology menu: Distance, RUV, PV High Performance Ultrasound Analyzer DW330