Inserting/changing the lithium-ion battery pack (accessory)
- Remove the test leads ((10)/(9)).
- Unscrew the 2 screws (11) on the battery compartment cover (12) and remove the cover.
- Unscrew the locking mechanism (14) in the battery compartment cover by approx. 1/2 revolution and remove the inlay (13).
- Insert the lithium-ion battery pack (15) (accessory) and re-tighten the locking mechanism (14) by approx. 1/2 revolution.
- Insert the battery compartment cover together with the lithium-ion battery pack (15) and secure the cover with the 2 screws (11).
- To remove the lithium-ion battery pack (15) (accessory), unscrew the 2 screws (11) on the battery compartment cover (12) and open the locking mechanism (14). Remove the lithium-ion battery pack .

The measuring tool can only be switched on if the battery compartment cover (12) is screwed down correctly.