66
9. CHECKS AND ADJUSTMENTS
Checking Calibration
1
Make sure grade is set to 00.000% (0
‰
).
2
Locate control points directly beneath the laser beam 1m (3.3 ft) in front of the TP-L5 and
60m (197ft.) from the first control point (see illustration above).
3
Set up a transit or level midway between the 1st and 2nd control points.
9.1 Procedure To Check and Adjust Laser Calibration
+00
.
000
%
