Datasheet
3PR, 3PG
Users Manual
4
Level
To identify new level and grade marks:
1. Put the bottom of the Product on a stable surface.
2. Turn the Product around on its center until the
h
orizontal laser points to the target area. See Figure 1.
3. Place a mark at the level or grade point on the target
ar
ea.
4. Repeat steps 2 and 3 for each point as needed.
Note
When the Product is mounted on a tripod, make sure
the
tripod head is perfectly level. Errors in marks can
result if a tripod is out of level.
Figure 1. New Level Mark
To determine if an existing item is level:
1. Point the horizontal laser at the target area.
2. Measure the distance from the item to the laser. See
Fig
ure 2.
3. Repeat step 2 at various distances from the Product.
If the measurements are the same from each distance
from t
he Product, the condition is level.
=
=OK
21
1 2
Figure 2. Level of Existing Item