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©2009 Johnson Level & Tool
4. Operating Instructions
Battery Installation
1. Turn the electronic module off while taking out the old batteries
from the battery case.
2. Open the battery cap, remove the old batteries and put in new
ones.
3. Turn on the unit to see if all functions are correct.
Note:
1. Be careful to follow the polarity symbol when replacing the
batteries.
2. Take out the batteries if the electronic module is not going to
be used for a long time.
IMPORTANT:
It is the responsibility of the user to verify the
calibration of the instrument before each use.
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