testo Instruments Co. Ltd 05605522 Manuel D’Utilisation
4 Operation
12
4.2
Switching instrument on and off
1
- Press .
Ì
The instrument switches on or off.
Ì
The instrument displays oooooo
when ambient pressure is applied to
the connections. The display
indicates the applied pressure value
once the applied pressure is within
the measuring range. (0 to 20,000
microns).
when ambient pressure is applied to
the connections. The display
indicates the applied pressure value
once the applied pressure is within
the measuring range. (0 to 20,000
microns).
4.3
Switching background illumination on
and off
1
- Switch the instrument on.
- Press .
- Press .
Ì
The background illumination switches
on or off.
on or off.