Replacing The Battery - MSA Altair 5X Mode D'emploi

4.3 Replacing the Battery

Never replace the battery in a hazardous area.
1. Unscrew the two captive screws on the rear of the instrument.
2. Pull the battery pack out of the instrument by gripping the sides
and lifting it up and away from the instrument.
3. For alkaline battery packs (ALTAIR 5X only):
a. Remove the battery holder circuit board from the pack door.
b. Replace the three cells, using only those listed on the label.
• Be sure to observe proper polarity on the cells.
c. Place the battery holder circuit board back in the pack door,
and reinstall the door into the instrument.
d. Tighten the two screws.
! WARNING
Figure 4-1. Battery Replacement
Figure 4-2. Battery Replacement
4-3