TESTO 552 Instruction Manual page 17

- Press
7
to set the alarm threshold.
- Press
8 .

The alarm threshold is set.

The display shows the AutoOff
setting.
If AutoOff is activated, the instrument switches off after 15 minutes
when ambient pressure is applied to the sensor.
- Press
9 to switch AutoOff on or off.
- Press
10 .

All settings are stored.

The display changes to the measuring
mode.

The instrument can now be used.
4 Operation
17