... Memory3.Automated display precise flaw location(Depth d,level p,distance s,amplitude,sz dB,)4.Automated switch three staff gauge ... ((Depth d,level p,distance s)5.Ten independence setup, any criterion can be input ... value.7.Gate and DAC alarm; Acoustic-Optical alarm;8.RS232 port,communication with pc is easy9.The embeded software can be online updated10 ...