How to hold the quantum analyzer detecting bar

After the quantum analyzer software installation, some people wondering how to use it.
It is notquantum resonance magnetic analyzer operation, just how to use...
such as how to hold the detecting bar?
Right hand or left hand all ok, hold the middle part but do not cover the top plastic part.
In regular keep calm down and the hand put on a table, relax.
After one minute scanning, accurate result will be showed.