Johnson Level & Tool Mfg. 40-6535 - Manual (Page 17)

©2007 Johnson Level & Tool 17
11. Care and Handling
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This laser unit is a precision tool that must be handled with care.
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Avoid exposing unit to shock vibrations and extreme temperatures.
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Before moving or transporting the unit, make sure that the unit is
turned off.
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Remove the batteries when storing the unit for an extended time
(more than three months) to avoid damage to the unit should the
batteries deteriorate.
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Always store the unit in its case when not in use.
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Avoid getting the unit wet.
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Keep the laser unit dry and clean, especially the laser output window.
Remove any moisture or dirt with a soft, dry cloth.
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Do not use harsh chemicals, strong detergents or cleaning solvents
to clean the laser unit.