©2014 Johnson Level & Tool - Rev. 1
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from a dot to a line, or line to a dot. Rotating wedge
lens counter-clockwise, while in line mode, rotates
line from horizontal to vertical, or vice versa.
Note:
The rotating head can be turned only in the
direction indicated by arrow sign.
8. Self-Check & Fine Calibration
IMPORTANT:
It is the responsibility of the user to verify the
calibration of the instrument before each use.
Checking Vials
Start by making sure that the vials are accurate. This is done by
placing the level on a flat surface and noting the position of the vial.
Rotate the level by 180 degrees (on the same gauging edge) and
observe that the bubble is in the same position.
Rotate to switch
between point
and line
Rotating Direction
Indication
Wedge lens
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