Johnson Level & Tool Mfg. 40-0918 - Manual (Page 7)

©2013 Johnson Level & Tool - Rev. 3 7
7. Using the Product
To turn on, rotate the on/off and variable speed switch in the
direction indicated by the arrow. Use this on/off and variable speed
control knob to create a single laser point or an intermittent line or
a continuous line. The slower the rotation, the more visible the
beam will be. If used with an optional detector, use fastest rotation
speed.
Note: Due to the 360° rotating feature of the laser beam, extra care
must be taken to avoid direct contact with the eyes.
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