... ,GOST FUNCTIONSSemiautomatic two point calibration,Automated calibration of transducer zero offset and/or material velocityFlaw Locating,Live display Sound-path, Projection ... to 9999m/sDisplay Delay, -20 to 3400 µsProbe Delay/Zero Offset ,0 to 99.99µsSensitivity,110 dB max in selectable ...