LT-850 . 7
Applications
Use your LT-850 Series Self-Leveling Grade Laser for these and many
other projects:
Outdoor General Construction Applications & Site Preparation, Grad-
ing & Excavating, Batterboards and Foundations, Masonry Work, Set-
ting Concrete Forms, Machinery Installation, Marking Elevation, Septic
Work, Paving Roads, Driveways, Parking Lots, Drainage Trenches,
Drop Ceiling Installation, Floors, Cabinets & Shelves, Carpentry,
Pools, Decks & Patios, Flagpoles, Aligning 90˚ Joints & Edges, Land-
scaping, Tile Work, Septic Work, Plumbing, Batterboards, Fencing,
Walls & Partitions, Remodeling, Siding Installation, Doors & Windows.
Benchmarking
During the work day, periodically check your initial set-up to ensure
that the laser reference has not moved.
Establish, at a suitable distance (furthest possible), a benchmark
(reference) on a stable surface (ie. tree, building). Periodically during
the work day, check the benchmark to ensure that your setup has not
moved.
LT-850 . 7
Applications
Use your LT-850 Series Self-Leveling Grade Laser for these and many
other projects:
Outdoor General Construction Applications & Site Preparation, Grad-
ing & Excavating, Batterboards and Foundations, Masonry Work, Set-
ting Concrete Forms, Machinery Installation, Marking Elevation, Septic
Work, Paving Roads, Driveways, Parking Lots, Drainage Trenches,
Drop Ceiling Installation, Floors, Cabinets & Shelves, Carpentry,
Pools, Decks & Patios, Flagpoles, Aligning 90˚ Joints & Edges, Land-
scaping, Tile Work, Septic Work, Plumbing, Batterboards, Fencing,
Walls & Partitions, Remodeling, Siding Installation, Doors & Windows.
Benchmarking
During the work day, periodically check your initial set-up to ensure
that the laser reference has not moved.
Establish, at a suitable distance (furthest possible), a benchmark
(reference) on a stable surface (ie. tree, building). Periodically during
the work day, check the benchmark to ensure that your setup has not
moved.
Remove the laser tool from its carrying case. Press the power button
to turn the tool on.
Leveling Mode
Selected Level mode with the Mode Button.
The unit can stand alone on a level, sturdy surface or preferably
secured to a 5/8” X 11 surveyor’s tripod.
Press the power button once, and allow time (up to 60 seconds) for
the unit to self-level.
Note: The laser head may begin to rotate before leveling is complete.
The self-leveling speed is approximately 1˚ per 4 seconds.
After self-leveling, the unit will begin operating in Rotation Mode.
Grade Mode
The single grade function is ideal
for general site grading, checking
excavations, landscaping, septic,
drainage, and more.
Select the Grade mode with the
Mode Button. Using the Plus and
Minus buttons enter the desired
grade. The unit will self level to
entered grade and rotor
will begin to spin. With
the Axis alignment guide
and up grade lable on
the top of the unit, point
the grade Axis ( Y axis)
in the desired grade
direction.
Remove the laser tool from its carrying case. Press the power button
to turn the tool on.
Leveling Mode
Selected Level mode with the Mode Button.
The unit can stand alone on a level, sturdy surface or preferably
secured to a 5/8” X 11 surveyor’s tripod.
Press the power button once, and allow time (up to 60 seconds) for
the unit to self-level.
Note: The laser head may begin to rotate before leveling is complete.
The self-leveling speed is approximately 1˚ per 4 seconds.
After self-leveling, the unit will begin operating in Rotation Mode.
Grade Mode
The single grade function is ideal
for general site grading, checking
excavations, landscaping, septic,
drainage, and more.
Select the Grade mode with the
Mode Button. Using the Plus and
Minus buttons enter the
desired grade. The unit
will self level to entered
grade and rotor will begin
to spin. With the Axis
alignment guide and up
grade lable on the top of
the unit, point the grade
Axis ( Y axis) in the de-
sired grade direction.
10 . LT-850
Operation LT-850
10 . LT-850
Operation LT-850
