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7295H-English_Manuals 8/28/13 8:42 AM Page 1
Self-Leveling Cross-Line Laser
Model No. 40-0912 & 40-0921
Instruction Manual
Congratulations on your choice of this Self-Leveling Cross-Line Laser.
We suggest you read this instruction manual thoroughly before using
the instrument. Save this instruction manual for future use.
This is a Class IIIa laser tool and is manufactured to comply
with CFR 21, parts 1040.10 and 1040.11 as well as international
safety rule IEC 285.
©2013 Johnson Level & Tool - Rev. 2
1
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Table of Contents
Related Manuals for Johnson 40-0921
Summarization of Contents
Critical Safety Instructions
Laser Hazard and Safety Warnings
Details DANGER and ATTENTION warnings regarding laser radiation and safe usage practices.
Parts and Components Identification
Lock/Unlock On/Off Switch
Identifies the switch for locking and unlocking the laser tool and controlling its power.
Operating Instructions and Setup
Battery Installation and Locking
Guidance on installing batteries and locking the unit for transport to prevent internal damage.
Tripod Setup and Usage
Instructions for setting up the tripod and securely mounting the laser unit for stable operation.
Product Usage and Leveling
Line Projection and Self-Leveling
How to project laser lines and understand the self-leveling capability and range.
Self-Check and Calibration Procedures
Calibration Adjustment Steps
Detailed steps for re-calibrating the horizontal line using adjustment screws and housing removal.
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