Commissioning - TESTO 425 Instruction Manual

4.

Commissioning

This chapter describes the steps required to commission
the product.
Inserting a battery/rechargeable battery:

To open the battery compartment on the rear of the
1
instrument, push the lid of the battery compartment in
the direction of the arrow and remove it.
Insert a battery/rechargeable battery (9V monobloc).
2
Observe the polarity!
To close the battery compartment, replace the lid
3
of the battery compartment in position and push it
against the direction of the arrow.
4. Commissioning 23