... (3)set up the base(4) field measurement(5) turn off Caution:1. Before your trip to the testingarea, please ... way: In the main interface, click the icon of time upleft, a down drawn menu will appear, then find ... with PDA by the wire when charging up, or turn off the probe, otherwise it will do damage to the ... of magnetometer in the main interface. You can go on to use it. Note: Don’t delete the software ...