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Changing the Batteries
6 Changing the Batteries
6.1 Battery Replacement Procedure
Batteries should be changed when the
icon illuminates. The
icon will remain lit until the batteries are changed. If the battery
power level is too low the Check O
2
Plus will not power on until
the batteries are changed.
1. Using a #1 Phillips screwdriver loosen the battery door screw A
and remove the battery door B.
2. Remove the batteries.
3. Insert new batteries ensuring correct polarity. DO NOT use
rechargeable batteries.
4. Replace the battery door and tighten the battery door screw.
5. If the Check O
2
Plus does not power on when done verify the
batteries are installed correctly and that the batteries are fresh.
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