User manual

The estimation output exceeding the natural background
that is ordinary for the given location is the evidence of the
r a d i o ac t i v e i m p u ri t y o f t h e i n s pe c t e d o b j ec t .
The«BACKGROUND» mode is presented for convenience of
defining such objects (page 30).
Detecting the location of an ionizing radiation source it is
necessary to move a working device above the surface of
examined object, being oriented on frequency increase of a
sound signal (in menu settings: levels - off, audio - on).
Remember, that the frequency of signals as approaching the
source will increase sharply, and in accordance with moving
away will decrease in the same manner.
33