Switch on the instrument and wait until the main screen is displayed:
Press the "Up" or "Down" arrows to reach the:
Press the 'ENTER' button, now you can scroll the eight user-defined sampling volumes.
Once the desired sampling volume has been reached press the 'ENTER' button to confirm.
Press the 'START' button to begin the sampling cycle:
There are a total of eight available '"USER MODE' programmes.
The maximum volume of air for each sampling cycle is 1999 litres.
'PROGRAM VOLUME' (modification of the value of a stored volume)
Using this procedure, it is possible to memorise up to eight different volumes (from 1 to 1999 litres of air). Switch on
the instrument and wait until the main screen is displayed.
Press the "Up" or "Down" arrows to reach the:
Press the 'ENTER' button, now you can scroll the eight user-selectable sampling volumes.
Select a volume by pressing the "UP" or "DOWN" arrows and then pressing 'ENTER':