Johnson Level & Tool Mfg. 40-6690 - Manual (Page 10)

10 ©2012 Johnson Level & Tool - Rev. 1
Grade enter button
After the desired grade has been entered on the LCD, press the grade enter button. The
laser beam will move to the new grade value. When the laser is self-leveling, the grade
value symbol will flash and will stop flashing when the laser is level.
Out of level alarm (Front and back)
If the laser is placed beyond its self-leveling range, the laser beam will blink and the LCD
symbol will blink. The laser will need to be repositioned within its self-leveling range as
noted below.
When LCD shows: user needs to lower the handle side.
When LCD shows: user needs to raise the handle side.
Out of level (right and left)
The LCD has a bubble symbol which is used to indicate the right or left out of level status.
If the laser is out of level to the right or left, it will effect its accuracy. Place the laser so
the bubble symbol is centered.
If the LCD symbol flashes, it means the left side of laser is beyond the allowed
range and the left side needs to be lowered.
If the LCD symbol does not flash, it means the left side of laser is high but still in
the allowed range.
This symbol means the laser is level and is in its idea accuracy and working
status.
If the LCD symbol does not flash, it means the ride side of laser is high but still in
the allowed range.
If the LCD symbol flashes, it means the right side of laser is beyond the allowed
range and the right side needs to be lowered.