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Installing the Batteries
The batteries may not be preinstalled in the meter. The meter requires two 1.5V
AAA batteries. Please find the batteries in your carrying case and install them
according to the following steps:
1. Turn over the meter. Slide the battery cover in the direction of the arrow to
open it.
2. Insert two 1.5V AAA batteries on top of the plastic tape.
3. Close the battery cover until it snaps shut.
Summary of Contents for OGM-331
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