wtw inoLab Oxi Level 2 Operating Manual page 52

Maintenance, cleaning, disposal
122
5.1.1 Changing the batteries
1 Open the battery compartment (1) on the underside
of the instrument.
2 Remove the four batteries from the battery
compartment.
3 Insert four new batteries (Type Mignon AA) into the
battery compartment.
4 Close the battery compartment (1).
The date (day) flashes on the display.
5 Set up the date and time according to section 3.2.
1
Caution
Make sure that the poles of the batteries are the right way
round.
The signs in the battery compartment must correspond to
±
the signs on the batteries.
±
Only use leakproof alkaline manganese batteries.