The P-C piezocone must be positioned vertically, at the start test position, with the tip placed about 5 cm above the ground. Only at this point should you click on "end zero reading" and then on "start test" to begin the test.
The P-C piezocone must be positioned vertically, at the start test position, with the tip placed about 5 cm above the ground. Only at this point should you click on "end zero reading" and then on "start test" to begin the test.