The machine is calibrated copper. Then be calibrated, bronze metal nickel. Tap the probe on the bronze, nickel standard until close. Then press start calibration By pressing the button "f3".
A calibration is made of metal, copper, then nickel bronze metal from the calibration, tap the head of probe on the standard nickel bronze until the close, and then click Restart calibration by pressing "F3."
It will take the exam and then be compared metal copper calibration testing of nickel-bronze metal, touch the head of the battle on the bronze standard Nickel-until close and then press Start calibration testing by pressing the " 3" F