Johnson Level & Tool Mfg. 40-6164 - Manual (Page 6)

6 ©2010 Johnson Level & Tool - Rev. 1
IMPORTANT: It is the responsibility of the user to verify the
calibration of the instrument before each use.
6. Operating Instructions
Battery Installation
Remove battery door by rotating it counter-
clockwise, put in two alkaline “AAA”
batteries according to the illustrated polarity
requirements, then install the battery door by
rotating it clockwise.
Note: Used (discharged) batteries are hazardous waste and should be
disposed of properly.
7. Using the Product
Power On/Off
1. Press power switch to project laser line or point.
2. Press power switch again to shut off laser output.
Switch Between Laser Point
and Laser Line
1. Turn the mode conversion knob to switch
between laser line and laser point. Rotating
the lens up or down converts laser from a dot
to a line, or line to a dot. Rotating the lens
counter-clockwise, while in line
mode, rotates line from horizontal to vertical.
Battery
Battery Door
Power Switch
Rotate to switch
between point
and line
3920H_Manuals 10/12/10 2:21 PM Page 6