Preparations before use, Installing and removing the battery pack, Figure 2 – Vaisala DM70 User Manual
Page 15: Installing the battery pack, Chapter 3

Chapter 3 ____________________________________________________ Preparations Before Use
CHAPTER 3
PREPARATIONS BEFORE USE
Installing and Removing the Battery Pack
NOTE
If you have previously used a battery pack, put the metal contact at
the lower end of the batteries before installing the alkaline batteries.
If DM70 is ordered with a battery pack, it is already installed at the
factory.
1.
Unscrew the back plate of the indicator.
2.
Remove the old batteries. Detach the black connector by pulling
it up carefully from the wires.
0403-032
Figure 2
Installing the Battery Pack
3.
Connect the black connector of the new battery pack. Make sure
the red and black wires are on the upper edge of the connector.
VAISALA _______________________________________________________________________ 13