Johnson Level & Tool Mfg. 40-6510 - Manual (Page 7)

©2007 Johnson Level & Tool 7
6. Operating Instructions
IMPORTANT: It is the responsibility of the user to verify the
calibration of the instrument before each use.
Battery Installation
Note: Always check to be sure that the
on/off switch is in the off position before
removing and replacing batteries.
1. Turn the instrument 90 degrees.
2. Remove the battery door.
3. Put in four AA alkaline batteries into the
battery compartment, noting polarity (as shown).
4. Snap the battery door back into place.
Note: Do not charge alkaline batteries to avoid explosion.
Used (discharged) batteries are hazardous waste and should be
disposed of properly.
Instrument Usage
Horizontal Instruction
1. Put four “AA” alkaline batteries into the instrument or power the
instrument by connecting DC 6V through power jack.
2. Mount the instrument on a 5/8" –11 tripod.
3. Make sure that the slope adjusting knob is at 0.
4. Adjust the leveling-knob to center the bubble of both vials in X
and Y axis.