15
3 Operation
3.2.1
Accessing the menu (measuring mode menu structure)
In measuring mode
F1
can be used to access the
Menu
.
Zero point
Inspection above ground
Measuring in bar holes
House
Gas measuring
Settings
Start measurement
Protocol
Device inspection
Device information
Exit
Fig. 6:
Menu
with submenus (menu items)
Once you have started a measurement
Start measurement
in
the menu becomes
Stop measurement
. In some applications
this menu item is called
Save measurement.
You can find detailed information on starting, stopping and saving
measurements in
3.2.2
Zero point
The zero point only has to be set manually if the displayed fresh
air measurement is not zero after the end of the warm-up period.
The manual zero point setting is not saved. The zero point can be
corrected by adjustment as often as zero point deviations occur
).
Requirements for correct setting of the zero point
●
Device was switched on with fresh air.
●
Device continues to draw in fresh air.
