Johnson Level & Tool Mfg. 40-6602 - Manual (Page 13)

©2010 Johnson Level & Tool - Rev. 1 13
Self-Calibrating the horizontal laser line and front vertical laser line
1. Locate calibration port on the side of the laser unit.
2. Remove the rubber plug.
3. Unlock the compensator.
4. Use a 2mm hex head wrench.
5. Rotate the screw counter clockwise to lower the
left side of the horizontal line and to adjust the top
of the front vertical line to the left. Do not rotate the screw more
then 4 rotations.
6. If the laser lines can not be brought into calibration after 4 rotations
the unit will need to be serviced by Johnson Level & Tool.
9. Technical Specifications
Laser Wavelength 635nm±10nm
Laser Classification Class IIIa
Maximum Power Output ≤ 5mW
Accuracy ±3/16"/50 ft. (±3mm/10m)
Interior Range Up to 200 ft. (60m) depending upon light
conditions
Exterior Range Up to 300 ft. (90m) with detector
(not included)
Self-leveling Range ±3°
Power Supply 3 “AA” alkaline batteries
Battery Life Approx. battery life 10 hours continuous use
Dimensions 3.55" x 5.83" (90 x 148mm)
Weight 2.2 lbs (1.0 Kg)
Working Temperature 14°F to 113°F (-10°C to +45°C)
Center Screw Thread 5/8" – 11
IP Protection 54
4069H_Manuals 11/5/10 8:49 AM Page 13