Level - Pacific Laser Systems PLS3 Manual De Instrucciones

Precise level and grade marks are easily established with the PLS
unit about its center, stopping to mark the desired level or grade points. See Fig. 4. Any
stable surface can be used. When mounted on a tripod or wall mount, swivel and mark.
10'
20'
7

Level

See Fig. 5. When turning your PLS
be sure tripod head is perfectly level. Error in marks can
result with tripod out of level.
FIG.6
MARK
FIG. 4
5 and PLS
5 or PLS
To survey existing conditions for level,
point in the direction to survey. Using
a tape or rod with a bench mark, the
variations in level or grade can be
noted quickly at various distances.
See Fig. 6.
MARK
FIG. 5
3 . Swivel the
3 on a tripod