... , Volume CalculationsYESIndirect measurement using PythagorasYESAddition/SubtractionYESContinuous MeasurementYESMin/Max Distance Tracking3 to 4 data update per secondDisplay illumination and multi-line display. 4 ... 2, Indirect measurement using Pythagorean3, Continuous measurement with Min/Max distance tracking & update 3 data per second4, 4 lines display with backlight5 ...