8 ©2018 Johnson Level & Tool - Rev. 1
6. Operating Instructions
IMPORTANT: It is the responsibility of the user to ensure proper
maintenance of the Self-Leveling Cross and Line Laser. Conduct
periodic test measurements to ensure the instrument is measuring
accurately and consistently. This is most important if the
instrument has been exposed to extreme temperatures or
moisture. Keep the Self-Leveling Cross and Line Laser optic lens
clean and inspect for damage.
Battery Installation
To install batteries in the Self-Leveling Cross and
Line Laser:
1. Remove the battery cover, which is located at the
back of the tool, by pressing the battery cover
release tabs found on the left and right side of
the tool and pulling the cover back.
2. Insert 2 “AA” batteries into the battery compart-
ment according to the polarity illustrated inside.
3. Replace the battery cover. Press in the release
tabs as you insert them into the tool housing.
Notes:
• Always check that the locking compensator/power switch is in the
locked position before removing and replacing batteries.
• Use only alkaline batteries.
• Remove the batteries when storing the instrument for an extended
time (more than 3 months) to avoid damage to the tool should the
batteries deteriorate.
2891i-1English_Manuals 6/4/18 10:24 AM Page 8
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