Johnson Level & Tool Mfg. 40-6690 - Manual (Page 14)

14 ©2011 Johnson Level & Tool
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.
4429H-English_Manuals 2/18/11 9:40 AM Page 14