User's Manual

5 Maintenance
21
1
- Connect the connecting cable to the
MiniDIN probe socket of the testo
552.
2
- Connect the connecting cable to the
front-end MiniDIN probe socket of
the testo 570.
3
- On the testo 570 set Evacuation
mode.
Ì
The testo 552 switches to Slave
mode.
Ì
The keys of the testo 552 are
deactivated.
Ì
The readings are transmitted to the
testo 570.
4
- Remove the connecting cable.
Ì
The testo 552 exits Slave mode.
5
Maintenance
5.1
Changing batteries
1
- Switch the instrument off.
2
- Flip hook up.
3
- Open the battery compartment.
4
- Remove batteries.
5
- Insert new batteries, observing the
indications inside the battery
compartment.
6
- Close the battery compartment.
7
- Fold hook down.