... direct measurementStandard configuration:Main machine,3.5MHz convex probe,10 VGA monitorOptional accessories:Video recorder,linear probe with high- ... /down,black/white·Image time rate: 2 times rate,10 segments depth display·Measurement: Distance,perimeter/area,volume,slpe, ... · Gray change:Gamma calibration· Output of interface:PAL-D·Monitor:10Non-interlaced scanning SVGA·Mark of body location:≥18·Power ...